EASY
7th CBSE
IMPORTANT
Earn 100

The acute angles of a right triangle are in the ratio 2:1. Find each of these angles.

Important Questions on Properties of Triangles

EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 7
One of the angles of a triangle is 100° and the other two angles are equal. Find each of the equal angles.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 8
Each of the two equal angles of an isosceles triangle is twice the third angle. Find the angles of the triangle.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 9
If one angle of a triangle is equal to the sum of the other two, show that the triangle is right-angled.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 10
In a ∆ABC, if 2∠A=3∠B=6∠C, calculate ∠A,∠B and ∠C.
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 11
What is the measure of each angle of an equilateral triangle?
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 12
In the given figure, DE || BC. If ∠A = 65° and ∠B° = 55, find ∠ADE.

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EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 12
In the given figure, DE || BC. If ∠A = 65° and ∠B° = 55, find ∠AED.

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EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 15 - Properties of Triangles>EXERCISE 15A>Q 12
In the given figure, DE || BC. If ∠A = 65° and ∠B° = 55, find ∠C

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