Joining and Separating Angles

Find the measure of <CAD if <CAB is a right angle and <DAB is 45°.

If angle ADC measures 87° and angle ADB measures 59° what is the measure of BDC?

Find the measure of the missing angle.

• 72 degrees

• 108 degrees

• 18 degrees

• 90 degrees

• A

• B

• C

• D

• A

• B

• C

• D

Marcus drew these angles. Determine whether the statements are true or false.

• A

• B

• C

• D

• E

Solve for x.

x + 62 = 90

Mathematical Equivalence

ON

If you were to add a right angle plus a right angle it would equal what ____

• 90

• 91

• 181

• 180

What angle needs to be added to the angle shown above to create a right angle?

• 10 degree angle

• 30 degree angle

• 45 degree angle

• This is a right angle

Find the value of angle 'A'.

• 120 degrees

• 180 degrees

• 240 degrees

• 360 degrees