Question

an
angle is 30 degree more than the three times its complement find the angle

Answer 1

let the complement be X

now the angle = 3x+30

3x+30+X= 90

3x+X+30=90

4x+30=90

4x=90-30

4x=60

X=60÷4

X=15

now the complement is 15

so the angle, 3*15+30=75