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The measure of an angle is twice its complement. Find the angle.

Class 7Pairs of AnglesLines and Angles

A60
B54
C120
D66

Step-by-Step Solution

Let the angle be

x

. Its complement is

90 - x . x = 2 (90 - x)

gives

x = 180 - 2 x

, so

3 x = 180

and

x = 60

deg.

Answer: A) 60

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