# CBSE Class 7 Maths Angle Sum Property of A Triangle

- What is altitude??
- find the angle y in the following figure
- of exterior ZA, 10. Calculate the angles of a triangle ABC having 34B = 4ZC and the interior ZA =
- caculate angles of triangle abc having 3 times angle b= 4 times angle c and interior angle a =4/7 of its exterior angle
- The two angles of a triangle are equal and third measures 70degree . Find the measures of each of the unknown angles
- how to proof that the sum of the angles in a triangle is 180^0
- Find the value of x and y in the following figure
- Triangle ABC is isosceles with AB=BC. If angle B is twice the measure of angle A, then find all the angles of the triangle
- What is an exterior angle of a triangle? Illustrate using diagram.
- State and prove the exterior angle property of a triangle.

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