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

.. If (4x + 7) and (5x – 7)° are a pair of complementary angles, find the angles.​
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2 votes
.. If (4x + 7) and (5x – 7)° are a pair of complementary angles, find the angles.​

asked
User Rick Roy
by
8.7k points

2 Answers

3 votes
Answer: x=10
Hope this helps :)
answered
User Damax
by
8.6k points
5 votes

Answer:

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

4x+5x+7-7 =90

9x+0=90

9x=90

x=90÷9

x=10

answered
User George Whitaker
by
8.0k points
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