Question

two complementary angles are in the ratio 4:5. find the angles.​

Answer 1

Answer:

80 and 100

Step-by-step explanation:

let the ratio be x

so 4x+5x =180( sum of complementary angles are 180)

9x= 180

x= 20

4x= 4×20= 80

5x=5×20=100

Answer 2

Step-by-step explanation:

Total mesurement of complementary angles= 90°

let 4x + 5x = 90°

= 9x = 90°

= x = 90/9

=x= 10°

» 4x = 10×4 = 40°

» 5x = 10× 5 = 50°

So the two angles are 40° and 50°

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