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give examples for euclids axioms and postulates

ans-

let the first angle be x

second angle be x-90 degree

therefore , x+(x+25)=90 degree

2x+25=90 degree

2x=90-25

2x=65

x=65/2=32.5

I didn"t understand this question .pls experts answer fast

prove that the sum of any two sides of a triangle is greater than twice the length of median drawn to the third side

AM = 1/2 AB

AN = 1/2 AC

SHOW THAT AB = AC

: Prove that an equilateral triangle can be constructed on any given line

AB = AC, since they are the radii of the same circle (1)Similarly, AB = BC (Radii of the same circle) (2)prove that every line segment has one and only one mid point by using euclid's postulates and axioms.

Postulate I: It is possible to draw a straight line from any point to any other point.As per this postulate, if we have two points P and Q on a plane, then we can draw at least one line that simultaneously passes through the two points. Euclid does not mention that only one line can pass through two points, but he assumes the same. The fact that only one line can pass through any two points is illustrated in the following figure.

Postulate II: A terminated line can be produced indefinitely.This postulate can be considered an extension of the first postulate. According to this postulate, we can make a straight line that is different from a given line by extending its points on both sides of the plane.

In the following figure, MN is the original line, while M'N' is the new line formed by extending the original line in either direction.

Postulates III and IVPostulate III: It is possible to describe a circle with any centre and radius.According to Euclid, a

circleis a plane figure consisting of a set of points that are equidistant from a reference point. It can be drawn with the knowledge of its centre and radius.Circles with different radii have different sizes but the same shape.

Postulate IV: All right angles are equal to one another.A right angle is unique in the sense that it measures exactly 90. Hence, all right angles are of the measure 90, irrespective of the lengths of their arms. Thus, all right angles are equal to one another. For example, in the following figure, ABC = GHI = DEF = 90.

Explanation of All Four PostulatesFollowing rules were observed while measuring the lengths of line segments and angles. These rules were not stated separately but these were assumed by Euclid in the derivation of new postulates. These can be taken as additional postulates.

Rule 1.Every line segment has a positive length.Rule 2.If a point R lies on the line segment PQ, then the length of PQ is equal to the sum of the lengths of PR and RQ. That is, PQ = PR + RQRule 3.Every angle has a certain magnitude. A straight angle measures 180.Rule 4.If raysare such thatlies between,then POQ = POR + ROQ

Explanation of All Four PostulatesRule 5.If the angle between two rays is zero then they coincide. Conversely, if two rays coincide, then angle between them is either zero or an integral multiple of 360.Example 1:Prove that an isosceles triangle can be constructed on any given line segment.

Solution:Say we have a line segment AB of any length.

Let us extend AB to the points X and Y in either direction, such that AX = BY.

Now, as per Euclids second axiom, we have:

AX + AB = BY + AB

⇒BX = AY (1)

Using Euclids third postulate, let us draw a circle with A as the centre and AY as the radius. Similarly, let us draw another circle with B as the centre and BX as the radius. Let the circles intersect at a point C.

Now, let us join A and B to C to get the line segments AC and BC respectively. We thus obtain ΔACB.

Now, we have to prove that ΔACB is isosceles, i.e., AC = BC.

AY and AC are the radii of the circle with centre A; BX and BY are the radii of the circle with centre B.

∴AY = AC (2)

Similarly, BX = BC (3)

From equations 1, 2 and 3 and Euclids axiom that things which are equal to the same thing are equal to one another, we can conclude that AC = BC.

So, ΔACB is isosceles.

what does coincide in geometry mean???

Write a short note on the history of Euclid.

Show that of all line segments drawn from the given point not on it, the perpendicular line segment is the shortest.

What is the difference between axiom and postulate? plz be detailed

C is the mid point of AB and D is the mid point of AC. Prove that

AD=1/4 AB

To make it easier PLZ

what is the meaning of

plane surfaceis one that lies evenly with the straight lines on itself.plane angleis the inclination to each other of two lines in a plane, which meet each other and do not lie in a straight line.In the following figure, if AC = BD, then prove that AB = CD.

in the ncert reader ..in pg 83..it is given that.. "A system of axioms is called consistent (see Appendix 1), if it is impossible to deduce from these axioms a statement that contradicts any axiom or previously proved statement. So, when any system of axioms is given, it needs to be ensured that the system is consistent. " i did not understand this topic...pls can any of u explain it...

a. Sulbasutras.

b.Vedis.

c. Sriyantra.

In the above question, point C is called a mid-point of line segment AB, prove that every line segment has one and only one mid-point.

Is the following statement true:

Open half- line OA is the same thing as ray OA. ( A is extended indefinitely )

What does this open half- line OA mean?

in a given figure we have ab=bc,bx=by.show that ax=cy.state the axiom used.

How is playfair axiom different from Euclid's fifth postulate( NOT CLEAR IN STUDY MATERIAL)

Give daily life examples of Euclid's Axiom 1.

Residence Welfare Association planned to make a rectangular playground for children in their colony.What value are they exhibiting by doing so?What is relation between all angles of rectangles?State the Euclid axiom used here. Also give any two other axioms.

angle 1=angle 4 and angle 3 =angle 2. by which euclid's axiom , it can be shown that if angle 2= angle 4 then angle1= angle 3.

(4) universal truths specific to geometry

What is difference between a ray and a half line?

IN THE ADJOINING FIGURE,IF ANGLE 1=ANGLE 2,ANGLE 3 =ANGLE 4.ANGLE 2=ANGLE4, THEN FIND THE RELATION BETWEEN ANGLE1 AND ANGLE 3, USING EUCLIDS AXIOM.

write the autobiography of Euclid?

solve the equation x-15=25 and state euclids axiom used here.

what is goemetry?

Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the question is not about the fifth postulate.)

plz explain me the fifth postulate of euclid.......

If a point C lies between two points A and B such that AC=BC, then prove that

AC=1/2 ABIF A,B,C are three points on a line and B lies between A and C PROVE THAT AB + BC =AC. STATE EUCLID AXIOMS OR POSTULATE

Hi,

n,l,m are three lines in the same plane. If l intersects m and n is parallel to m, show that l also intersects n.

Pls guide me in solving this problem. Thanks!

a _____ line may be drawn from any one point to any other point.

YOUR ANSWER: terminated

CORRECT ANSWER: straight

in the STUDY MATERIAL, lets rreview:

a ______ line can be produced indefinitely

YOUR ANSWER: straight

CORRECT ANSWER: terminated

How is this correct???

Use euclids axioms to prove the following:

Given x+y=10 and x=z . Show that z+y=10.

1) How many line segments can be determined by:-

(i) three collinear points? (ii) three non-collinear points?

2) How many planes can be determined by:-

(i) three collinear points? (ii) three non-collinear points?

what is the difference between axioms & postulates

What is Euclid's 5th postulate?

euclid's contribution to mathematics

ab=ac and ap=aq can you say that bp=cq?which axiom are you using for this. this proof is for a triangle

' Lines are parallel if they do not intersect' is stated in the form of:

a) an axiom b) a definition

c) a postulate d) a proof

explain when a system of axioms is called consistent

if B lies between A and C , AC = 21 cm and BC = 10 cm , what is AB square

how to remember euclid's axioms and postulates easily?

If lines AB,AC,AD,AE are drawn parallel to line PQ,Then show that A,B,C,D are collinear points.

If P,Q and R are three points on a line and Q lies between P and R then show that PQ + QR = PR.(by using euclid's axioms)

If a point C lies between two points A and B such that AC = BC, then prove that. Explain by drawing the figure.

1. How many lines can be drawn through a given point ?

2. In how many points two distinct lines can intersect ?

3. In how many lines tow distinct planes can intersect ?

4. In how many least no. of distinct points determine a unique plane ?

5. If B lies between A and C and AC=10, BC=6, what is AB

^{2}?what is the fifth pastulate of ???????

plzzzzz... provide a video. i cant understand anything.

Life of Euclid and his Contribution to mathematicsgive me some points, guidelines to start on this Project.

remark on the fourth postulate - aren't all straight angles(180

^{.}) equal?prove two distinct lines cannot hace more than one point in common?

Savitri maam and anyone who knows the answers to my questions please answer

can any one explain me the 3rd axiom:'if equals are added to equals,the wholes are equal.'

what is the difference between euclids axioms and postulates?

what is half-line? according to euclid's geometry.

biodata of euclid.

pls tell me some famous mathematical problems featuring

picrossword puzzle on euclid geometry

l= 3 cm long and lengths of line m and n are three fourth the length ofl. aremandnare equal?