Question

an angle is three times its supplements.what is its measure
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Answer 1

Step-by-step explanation:

Let the angle be x it's supplement = (180-x)

x = 3 (180-x)

⇒x=540−3x

⇒4x=540⇒x=135

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Answer 2

Answer:

Given that ;

An angle = 3 times it's supplements

Let ;

The measure be x

It's Supplement Angle = 180° - x

Angle x° = 3 ( 180° - x )

x = 540° - 3x

4x = 540

x = 540 / 4

x = 135

Hence ;

Measure of the Angle = 135°