Subtract Angles

Which equation can help you find the measure of the unknown angle, x,?

• 180-91+ 61 = x

• 180 - (90+61) = x

• 180 - (61 - 90) = x

• 90 + 61 -180 = x

What is the measurement of  y?

• 100

• 257

• 103

What is the measure of the unknown angle?

• 80 degrees

• 81 degrees

• 82 degrees

• 83 degrees

• 32 degrees

• 90 degrees

• 58 degrees

• 62 degrees

• 28 degrees

• 180 degrees

• 208 degrees

• 152 degrees

• 45 degrees

• 65 degrees

• 110 degrees

• 155 degrees

• A

• B

• C

• D

• F

• G

• H

• J