16-05-2020
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.. If (4x + 7) and (5x – 7)° are a pair of complementary angles, find the angles.

Respuesta :

chapagaind031 chapagaind031

16-05-2020

Answer:

4x +7+5x-7 =90 ( complementary angle)

4x+5x+7-7 =90

9x+0=90

9x=90

x=90÷9

x=10

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gloriazezelj gloriazezelj

17-10-2020

Answer: x=10
Hope this helps :)

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