Question

If angles A and B are complimentary angles. What are angles A and B equal to if angle A is 4x + 10 and angle B is x.

Answer 1

As the angles are complimentary, that is there sum is 90°.

4x+10+x= 90°

5x+10= 90°

5x = 90-10

5x= 80

x= 16°

Angle A= 4x+10= 4×16+10= 74°

Angle B= x= 16°

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