Understanding Complementary and Supplementary Angles

What is the sum of complementary angles?

• 180 degrees

• 45 degrees

• 360 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

If one angle is 25 degrees, what is the measure of its complementary angle?

• 75 degrees

• 65 degrees

• 55 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

What is the missing angle if one angle is 72 degrees and they are complementary?

• 18 degrees

• 108 degrees

• 28 degrees

• 82 degrees

Tags

CCSS.7.G.B.5

What property do complementary angles have?

• They form a straight line

• They are always acute angles

• They add up to 90 degrees

• They add up to 180 degrees

Tags

CCSS.7.G.B.5

How can you verify if you have correctly found a complementary angle?

• Add them to see if they equal 90

• Multiply by 2

• Divide by 2

• Subtract from 180

Tags

CCSS.7.G.B.5

What is the sum of supplementary angles?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.7.G.B.5

If one angle measures 65 degrees, what is the measure of its supplementary angle?

• 125 degrees

• 105 degrees

• 115 degrees

• 95 degrees

Tags

CCSS.7.G.B.5

What is a characteristic of supplementary angles?

• They are always obtuse angles

• They add up to 180 degrees

• They add up to 90 degrees

• They form a right angle

Tags

CCSS.7.G.B.5

How can you check if you have correctly found a supplementary angle?

• Add them to see if they equal 180

• Subtract from 360

• Multiply by 2

• Divide by 2

Tags

CCSS.7.G.B.5

If an angle measures 124 degrees, what is its supplementary angle?

• 66 degrees

• 46 degrees

• 56 degrees

• 64 degrees

Tags

CCSS.7.G.B.5