Question

11. The ratio between the vertical angle and a base angle of an isosceles triangle is 2:5
Find all the angles of the triangle.​

Answer 1

Answer:

Angles are in the ratio 2:2:5

Let x is common factor. Then angles are 2x, 2x and 5x ; sum of angles = 2x+2x+5x = 9x = 180 or x = 20;

Hence angles are 40, 40 and 100

Answer 2

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