Question

in an isosceles triangle each base triangle is four times of it vertical angel find all the angels of the triangle

Answer 1

let ABC be the isoceles triangle with side AB = AC

hence angle B = angle C

but also given that

Angle B = 4(angleA)

Let the angle A be x

ATQ

angle A +B+C = 180

x + 4x + 4x = 180

9x =180

x = 20

Angle A = 20

Angle B = 80

Angle C =80

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