An angle is 20° leass than its complement. Find its measure
Match the items on the right to the items on the left.
step 1
step 2
step 3
step 4
step 5
step 6
measure of required angle be x°. so the measure f complement angle is (90-x)°
(90-x)-x=20
90-2x=20
-2x=20-90
-2x=-70
x=35