1. three cubes of a metal whose edges are in ratio 3:4:5 are melted and converted into a single cube whose diagonal is 12root 3 cm find the edges of the three cubes .
2. a right triangle ,whose sides are 15cm nd 20cm,is made to revlve about its hypotenuse. find the surface area of the double cone so formed.

A-the perimeter of a triangle with vertices (0,4),(0,0),(3,0)

B-The points (-4,0),(4,0) and (0,3) are vertices of which triangle?WHY EXPLAIN?

 14.  in which quadrant , can a point have:

i)  abscissa equal to its ordinate

ii) ordinate equal in magnitude to abscissa

iii) ordinate equal and opposite of abscissa

  iv)abscissa twice that of the ordinate

while boarding an aeroplane a passenger got hurt. the pilot showing promptness and concern made arrangements to hospitalise the injured and so plane started late by 30 mintues. to reach the destination,1500 km away in time the pilot increased the speed by 100km/hour.find the original speed/hour of the plane.

Image of point (-3,-3) on x-axis is:

(A)  (3,0) (B)  (3,-3) (C)  (3,3)  (D)  (-3,3)

 If the points A(x,y) ,B(3,6) and C(-3,4) are collinear,show that
x-3y+15=0

Plot the co-ordinate of the point:

i) Whose ordinate is (-5) and which lies on y-axis.

ii) Which lies on x and y axis both.

iii) Whose abscissa is 3 and which lies on x-axis.

iv) Below x-axis lying on y-axis at a distance of 3 units fron orgin.

v) Lying on x-axis to the left of orgin at a disteance of 2 units.

Write the mirror image of the point (-3,-4) with respect to (i) y axis (ii) x axis.

IF the points A(6,1), B(8,2), C(9,4) and D(p,3) are the vertices of a parallelogram taken in order. Find the value of p.

Write the coordinates of the vertices of rectangle whose length and breadth are 5 and 3 units respectively,one vertex at the origin, the longer side on the x axis and one of the vertices on third quadrant

plot D ( -2 , -3 ) on the graph paper . Also , plot reflections of D in X axis and Y axis .

i) Plot the points A (0, 4), B (-3, 0), C (0,-4), D (3, 0) (ii) Name the figure obtained by joining the points A, B, C, D. (iii) Also, name the quadrants in which sides AB and AD lie.

what and how can make a square root spiral till root 5?

the distance of the point (-3,4) from the x-axis is?

 The graph of equation x=2y will pass through:

(A) I quadrant and IIIquadrant

(B) Iquadrant and II quadrant

(C) II quadrant and IV quadrant

(D) III quadrant and IV quadrant

1)prove that an equilateral triangle can be constructed on any given line segment.

2)prove that medians of an equilateral triangle are equal.

3)the points(other than the origin)for which the abcssica is equal to the ordinate lie in quadrant___________.

the perpendicular distance of a point from the x-axis is 2 units and the perpendicular distance from the y-axis is 3 units.write the coordinate of the point if it lies in (1)first quadrant (2)second qudrant (3)third quadrant(4)fourth quadrant

desing a crossword puzzle with mathematical terms

Determine the point on graph of the linear equation 4x -5y=7 whose

(1) absicca is thrice the ordinate

(2) ordinate is 2/5  times of absicca

Plot the points A (5,5) and B (-5,5) in cartesian plane.Join AB,OA and OB.Name the figure so obtained.

 syllabus of sa2  of maths cbse 

If√2 = 1.414,√3 =1.732 then find the value of :

4 ₊ 3

3√3 + 2√2 3√3 - 2√2

plot the points P(-1,0) Q(0,1) and R(2,3) on the graph paper and check whether they are collinear

mirror image of the point (-1,2) on y-axis is:

a (1,2)

b(1,-2)

c(2,1)

d(2,-1)

ABCD is a parallelogram in which BC is produced to E such that CE = BC. AE intersects CD at F.show that ar(triangle BDF)=1/4 ar(ABCD)

ABCD is a parallelogram and X,Y are the mid points of sides AB and DC respectively . show that quadrlaterals AXCY is a parallelogram

name 3 indian mathematicians who also contributed to sience & name 3 foreign mathematicians who also contributed to science .pls this mis my project i wan't answer fast

Two points having same abscissa and different ordinates lie in .....................

a) X axis

b) Y axis

c) a line parallel to Y axis

d) a line parallel to X axis

If the points (-3,a) , (b,4) lie on a straight line,with the equation y=4x,find a and b...

1. PQRS is a square. T&U are respectively,the mid - points of PS & QR.find the area of triangle OTS,if PQ=8cm,where O is the point of intersection of TU & QS
2. ABCD is a parallelogram in which BC is produced to E suh that CE=BC.AE intersects CD at F.if ar(DFB)=3cm²find the area of the parallelogram ABCD.

if point is on neg side of y axis at distance of 3 units frm origin find the co-ordinates of the point

What will be the general form of any point on the y-axis?

1 the points a (2,9) b(a,5) c(5,5) are the vertices of atriangle abc right angled at b find the value of "a" and hence the area of triangle abc

2

Find the coordinates of the point whose abscissa is -5 and which lies on X-axis. Is it (5,0)?

Find the locus of the moving point P such that 2PA =3PB , where A is(0,0) and B(4,-3).

find the distance of the point(6,5,9) from the plane determined by the points A(3,-1,2) B(5,2,4) C(-1,-1,6)

if we plot the point A(-1,0),B(-1,1), C(0,1) D(0,0) on cartesian plane which figure is formed on joining the points in order. Also identify the shape of the figure

formula for distance between two points

hi whats the use of coordinate geometry in real Life?

 A POINT LIES ON X-AXIS AT A DISTANCE OF 9 UNITS FROM Y-AXIS. WHAT ARE ITS COORDINATES? WHAT WILL BE THE COORDINATES OF A POINT IF IT LIES ON Y-AXIS AT A DISTANCE OF -9 UNITS FROM X-AXIS

who is father of coordinate geometry?

 The distance of point (0,-3) from the origin is:

A. 0 units

B. -3 units

C.  Cannot be determined

D. 3 units

HISTORY OF COORDINATE GEOMETRY

what will be the mirror image when -3 and -4 in y axis ?

Draw the graph of y = 2x + 4. Use the graph to find the area between the line and the axes.

The point(other than the origin) for which the abscissa is equal to the ordinate lie in---

i) quadrant I and III

ii) quadrant II and IV

iii) quadrant I only

1v) quadrant III only

Q 1 - Plot the point M(4,3) , N(4,0) , O(0,0) , P(0,3) in coordinate system. [Sir if you can't do the diagram on computer than sir you can do it in Paper and sir can you answer the following question after doing it in paper]

I] Name the figure obtain by joining M,N,O&P.

II] Name it.

III] Find the perimeter of that figure.

explain me The perpendicular distance of the point P(4,3) from y axis is

 Which points in the cartesian plane do not belong to any quadrant?

what is mirror image of a point in coordinate geometry

 If (a,b) is the mid point of line segment joining the points A(10,-6) and B(k,4) and a-2ab=18, find the value of k and distance AB

Draw the graph of the line 3x + 4y = 18. With the help of graph find value of y when x = 2. (show this point on the graph)

Find the coordinates of the vertices of a rectangle placed in III quadrant, in the cartesian plane with length p units on x-axis and breadth q units on y-axis.

 A point lies on the x axis at a distance of 7 units from the y axis what are its co-ordinates?

What will be the co-ordinates if it lies on y axis at a distance of -7units from x axis? i want ans by experts....