Complementary angles
Complementary Angles add up to 90 degrees. Supplementary Angles add up to 180 degrees.
Angles that add up to 90 degrees are said to be complementary
45o and 45o 30o and 60o 20o and 70o, etc...
One of them is 90 degrees, the other two add up to 90 degrees, and all three are easily capable of standing on the head of a pin.
Two angles that add up to 90 degrees are called complementary angles.
They are 81+9 = 90
90
They are complementary
92
83+7=90
Complementary angles add to 90 degrees.
Should be 270 degrees. Supplementary angles add up to 180 Complimentary add up to 90. 180 + 90 = 270