Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 11

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The angles of a triangle are in the ratio $3 : 4 : 5$ . Find the smallest angle.

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Important Questions on Properties of Triangles

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7th CBSE

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 12

Two acute angles of a right triangle are equal. Find the two angles.

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 13

One angle of a triangle is greater than the sum of the other two. What can you say about the measure of this angle? What type of a triangle is this?

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 14

In the six cornered figure given below. $A C, A D$ and $A E$ are joined. Find $∠ F A B + ∠ A B C + ∠ B C D + ∠ C D E + ∠ D E F + ∠ E F A$ Question Image

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 15

Find $x, y, z$ from the figure given below. $D and E$ are midpoints of the sides $A B and A C$ respectively

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 15

Find $x, y, z$ from the figure given below

Question Image

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Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 15

Find

x, y, z

from the figure given below.
Question Image

Question Image

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7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 15

Find

x, y, z

from the figure given below.

D and E

are the midpoints of the sides

A B and A C

respectively.
Question Image

Question Image

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7th CBSE

IMPORTANT

Mathematics for Class 7>Chapter 15 - Properties of Triangles>EXERCISE>Q 16

If one angle of a triangle is

60 °

and the other two angles are in the ratio

1 : 2

, find the angles.