Question

One angle is equal to three times its supplement. The measure of an angle is
a. 130° b. 135° c. 90° d. 120°

Answer 1

Correct answer:-

option c. 90°

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Answer 2

Answer:

Let the smaller angle be x

So, the larger angle will be 3x

It is given that they are supplement

So,

x+3x = 180°

4x= 180°

x= 45°

So, the larger angle = 3 x 45° = 135°

Ans. 135° (b)