crosales102
28.06.2019 •
Mathematics
The measure of an angle is 78 less than the measure or its complement.what is the measure of the angle
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Ответ:
84°
Step-by-step explanation:
2 complementary angles sum to 90°
let x be the angle then complement = x - 78, hence
x + x - 78 = 90 ( add 78 to both sides )
2x = 168 ( divide both sides by 2 )
x = 84
hence the angle is 84°
Ответ: