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OpenStudy (anonymous):
What is the measure of the complement of an angle that measures 21°?
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OpenStudy (anonymous):
@iambatman
jimthompson5910 (jim_thompson5910):
x = unknown angle x+21 = 90 solve for x
jimthompson5910 (jim_thompson5910):
the angles x and 21 are complementary, so they form a right angle (ie they add to 90 degrees)
OpenStudy (anonymous):
69
jimthompson5910 (jim_thompson5910):
correct, check: x+21 = 90 69+21 = 90 90 = 90 ... works out
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OpenStudy (anonymous):
Thanks
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