Math, asked by 14010335, 3 days ago

Give an explanation also

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Answers

Answered by prashantkumarcoc

1

Answer:

70°

Step-by-step explanation:

Given that :

Angle B = 90° (square represent 90° angle)

Angle C = 20°

Angle A = ?

According to Angle Sun Property of Triangle:

Angle A + Angle B + Angle C = 180°

Angle A + 90° + 20° = 180°

Angle A = 180 - 90 - 20

Angle A = 70°

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