Question

the angle of triangle ABC are such that angle b is double of angle a and angle c is 20 degree more than angle a. what is the measure of each angle​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

angle A = x

angle B = x × 2

angle C = x + 20°

A + B + C = 180° (Angle sum property)

x + (x × 2) + (x + 20°) = 180°

2x + 2x + 20° = 180°

4x + 20° = 180°

4x = 180° - 20°

4x = 160°

x = 160° ÷ 4

x = 40°

A = x

A = 40°

B = x × 2

B = 40° × 2 = 80°

C = x + 20°

C = 40° + 20° = 60°

•Let's check ✔

A + B + C = 180° (Angle sum property)

40° + 80° + 60° = 180°

Hope it helps you!!!!!!