Finding Angle Measurements with Complementary and Supplementary Angles

What is the measure of a right angle?

• 180 degrees

• 45 degrees

• 360 degrees

• 90 degrees

Which of the following is true about right angles?

• They are identified by a square symbol

• They are always supplementary

• They cannot be part of a triangle

• They measure 45 degrees

If angle ABC is 90 degrees and angle DBC is 24 degrees, what is the measure of angle ABD?

• 66 degrees

• 90 degrees

• 24 degrees

• 114 degrees

What is the sum of the measures of supplementary angles?

• 180 degrees

• 90 degrees

• 45 degrees

• 360 degrees

If angle ABD measures 138 degrees, what is the measure of angle Y, given they are supplementary?

• 52 degrees

• 48 degrees

• 138 degrees

• 42 degrees

Can angles be complementary if they are not adjacent?

• Only if they are more than 90 degrees

• Yes

• No

• Only if they are less than 90 degrees

What is the measure of angle DEF if it is complementary to an angle measuring 27 degrees?

• 117 degrees

• 90 degrees

• 63 degrees

• 27 degrees

How can you distinguish between complementary and supplementary angles?

• By their size

• By their color

• By their sum

• By their position

What is a common mistake students make regarding angle measurements?

• Assuming all angles are right angles

• Confusing complementary and supplementary angles

• Ignoring the diagram completely

• Trusting the diagram over the given facts

What do supplementary angles form together?

• A circle

• A right angle

• A straight line

• An acute angle