Question

If angles of measures (3x - 5)º and (5x - 7)º are a pair of supplementary angles, find the angle​

Answer 1

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Answer 2

Answer:

given that..

angle 1 =(3x-5)°. and angle 2=(5x-7)°

since the pair of supplementary angles is equal to 180°.

so...

(3x-5)+(5x-7)=180

3x-5+5x-7 = 180

8x-12=180

8x=180+12

8x=192

X=192/8

X=24

putting the value of X in angle 1 and angle 2

so

now angle 1= (3x-5)

3*24-5

67°

angle 2=(5x-7)

5*24 -7

113 °

Ans