Question

the complement of x in figure​

Answer 1

Answer:

x=8

Step-by-step explanation:

angle ABC= 90°

therefore x+20°+2x+1°+7x-11°=90°

x+2x+7x+20°+1°-11°=90°

10x+10°=90°

10x=90°-10°

10x=80°

therefore x= 80/10

x= 8