Question

find the measure of an angle, if eight times it's complement is 20° less than three times it's supplement.

plz tell ​

Answer 1

Answer:

Step-by-step explanation:

Let the angle= x

It's complement= (90-x)

It's supplement= (180-x)

Now,

8(90-x)+20=(180-x)

720-8x+20=180-x

740-8x-180+x=0

560-7x=0

x=560/7

x=80