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Syllabus

The diagonal of a rhombus measure 16cm and 30cm.Find its perimeter

Two chimneys 18m and 13m high stand upright on a ground.If their feet is 12m apart,then the distance between their topsis?

ABCD is a quadrilateral. Is AB+BC+CD+DA < 2(AC+BD

a)4,5,6

b)3,4,8

how maths use in our daily life

A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tree. Find the original height of the tree.

Ram and 1 part to Shyam. What percentage of money he gives to Ram and

Shyam separately

what is exterior angle property?

try these page 129-130 (vi)plz class 7

what is the full form of ASP

A 15m long ladder reached a window 12 m high from the ground on placing it against a wall at a distance

a.Find the distance of the foot of the ladder from the wall.What is the meaning of corresponding height in a triangle?pls give an example

Thanks

1) The base angle of an isosceles triangle is 55 degree. The size of the vertical angle is

(a) 55 degree (b) 35 degree (c) 70 degree (d) 125 degree

Can anyone please give an explanation for this answer and what is vertical angle....

2) A ladder 25m long reaches a window of a building 20m above the ground.Detemine the distance of the foot of the ladder from the building.

how many altitudes can one triangle have?A small note on aryabhatta's contribution to maths. plzzz i want it fast. First answer will get two thumbs up!!

Find the length of diagonal of a rectangle whose sides are 15cm and 8cm

The lengh of 2 sides of a triangle are 4 cm and 6 cm between what two measures should the lenght of the third side fall ?

Prove that the sum of all the angles of a quadrilateral is 360 degree

(Hint: The sum of the angles in a triangle is 180 degree)

Question:the figure consists of an equilateral triangle and an isosceles triangle. find x

Does the median lie wholly in the interior of the triangle?

who invented triangles?

How can we find the square root of a number without using a calculator. ( example:- 676=?)

If the lengths of the diagonals of a rhombus are 6 cm and 8 cm, the perimeter of the rhombus is:_ explain how?

a. 5 cm. b. 12 cm. c. 20 cm. d.40 cm.

The Experts,MeritNation

In the Try these of Maths Book 7 (NCERT) in Page number 130 there is a question:

- Find the unknown length x in the following figures (Fig 6.29):

(vi)When I solved this, I got 2 different answers: Please see the statement as my doubt written at the bottom...

Solution 1)

Solution 2)

But, I my doubt is that whether the following question is correct? If yes which is the right and accurate answer. I want only the experts to clarify my fol'lowing doubt... Waiting for Experts response. Please do it as soon as possible...Thanking You!

Yours Faithfully,

Santanu Sahoo

VERIFY EXPERIMENTALLY CRITERIA FOR CONGRUENCY OF TRIANGLES USING DIFFERENT TRIANGULAR CUT-OUT SHAPES.

The lengths of two sides of a triangle are 12 cm and 15 cm. Between what two measures should the length of the third side fall?

what is Baudhayan theorem?please explain.

The angles of a triangle are arranged in ascending order of magnitude.If the difference between two angles is 10 degree find the three angles.

Two poles are ,18 cm and 13 cm high ,stand upright in a playground .If their feet are 12 m apart ,find the distance betweeen their tops.

A man goes 5 m in east and then 12 m in north direction. Find the distance from the starting point. Now, sir you have to answer this question with diagram.

A man 160cm tall is at a distance of 600cm from foot of a light source situated at top of pole of height 4.1m high.Find distance between top of a man and source of light?

vertical angle of an isoceles triangle is 100 degree find its base angle

if L = 8cm, B=6cm, how to find the length of the diagonal of a rectangle using pythagoras theorem pls?

Q1 How to solve if two poles 15 m and 30 m high stand up right in a play ground. If their feet are 36 meters apart, find the distance between their tops?

Q2 A man goes 20 m due East and then 15m due south. Find the distance between the starting point and the terminal point?

ABC is a triangle,right-angled at C. If AB=25cm and AC=7cm,find BC.

Find the perimeter of the rectangle whose length is 40 cm and a diagonal is 41 cm.

mangle A = m angle B. what does m means??is AB+BC+CA greater than 2AM?IF AM is the median of triangle ABC

rnPQR is a triangle right angled at P. If PQ = 10 cm and PR = 24 cm, find QR.

Draw an equilateral triangle each of whose sides is 6 cm . Draw its medians. Are they equal ?

ABC is a triangle, right-angled at C. if AB=25cm and AC=7cm, find BC. (Pythagoras property).In triangle ABC,angleA=50degree and BC is produced to a point D. The bisectors of angleABC and angleACD meet at E. Find angle E

verify by drawing a diagram if the median and altitude of an isosceles triangle can be same. please hurry!

A pole 81m high broke at a point but did not separate.Its top touched the ground 27 m from its base.At what height above the ground did the pole break?

write the: side opposite to the vertex Q of trianglePQR

angle opposite to the side LM of triangleLMN

vertex opposite to the side RT of triangleRST

Sides of triangle measure 15 cm , 36 cm and 39 cm . Show that it is a Right Angled Triangle

THE HEIGHT OF AN EQUILATERAL TRIANGLE IS ROOT 6 CM. WHAT IS ITS AREA?

Triangle abc is right angled at c. can you locate its orthocenter without drawing any altitude ? If so,name it.

AD is the median of triangle ABC. is it true that AB+AC+BC2AD? give reasons for your answers.

two towers of height28m and 36m are built at a distance of 15m. what is the distance between the tops of the towers??

1. A man goes 7m east and then 24m to south. Find the distance from he starting point?

2.the squareof diagonal of a square is 1250cm. Find the lengthof the sides of a square?

i didnt understand the video properly

Draw rough sketches for the following:

(a) In ΔABC, BE is a median.

(b) In ΔPQR, PQ and PR are altitudes of the triangle.

(c) In ΔXYZ, YL is an altitude in the exterior of the triangle.

a ladder 16m long reaches a window which is 9m above the ground on one side of the street keeping,its foot at the same point the ladder is turn to the other side of the street to reach a window 12m high .find the width of th street.

A 3-star hotel in Delhi charges 10% sales tax on the price of the food taken.Mr Saxena and his family had food for 685 rupees.Find the total moneyhe had to pay.

A 3.7 m long laddder is placed against a wall in such a way that the foot of the ladder is 1.2 m away from the wall up to what hight does the ladder reach the wall...I guess it is Pythagoras theorum which will be used here but not sure about it....

HOW MUCH SHORTER IT IS TO WALK DIALGONALLY ACROSS A RECTANGULAR FIELD THAT IS 80M LONG AND 60M WIDE THAN LONG TWO OF ITS ADJACENT SIDES.

How many altitudes can a triangle have? Will an altitude always lie in the interior of the triangle?

rnCan you think of a triangle in which two altitudes of the triangle are two of itssides?

rnCan the altitude and median be the same for a triangle?

CAN THE ALTITUDE AND MEDIAN BE SAME FOR A TRIANGLE ?????

why the sum of three sides of a triangle is 180 degree?

A ladder 45 ft tall when set against a wall of a house , just reaches the window at a height of 27 ft. How far is the lower end of the ladder from the base of the wall.

DIFFERENT TYPES OF TRIANGLES AND THERE DEFINATIONS

(i) Show three pairs of equal parts giving reason.

(ii) Is ΔADB ≅ ΔADC? Give reason.

(iii) Is ∠BAD = ∠CAD? Give reason.

I have been assigned Summer Holiday Homework on MATH as follows: "MAKE A MODEL TO SHOW TEA DROPS INSIDE TRIANGLE USING THREAD". Can anybody help me understand what is the model about and how to make it. Your help will be highly appreciated. Thanks in advance.

Debashish Karak, VIIA, Amrita Vidyalayam, Saket, New Delhi.