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Two angles are complementary. The first angle measures 35°. What's the measurement of the second angle? A. 145° B. 125° C. 75° D. 55°

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D. 55 degrees ---complementary means these two angles have to add up to 90 degrees. so 90-35 = 55 for the second angle. I hope this helps!
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D. 55
The angle measures of complementary angles add up to 90 degrees.
With supplementary angles, the measures add up to 180 degrees.
User M Polak
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