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Two complementary angles differ by 20°.
What is the measure of the LARGER angle?

Class 7Complementary and Supplementary AnglesLines and Angles

A55
B110
C61
D49

Step-by-Step Solution

Let smaller be

x

; larger is

x + 20

°. Then

x + (x + 20

°) = 90°, so

2 x = 70

°,

x = 35

°. Larger = 55°.

Answer: A) 55

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