Kyliehayden05
16.04.2020 •
Mathematics
4. If the complement of ∠1 is 80° and m∠2 = 80°, what is m∠3?
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Ответ:
Two complementary angles equal 90.
If angle 1’s complementary angle is 80, then angle 1 is 10 (90-80=10)
The three angles of a triangle need to equal 180.
Angle 3 = 180 - angle 1 - angle 2
Angle 3 = 180 - 10 - 80 = 90
Angle 3 = 90 degrees
Ответ:
Tell me is you need the workings