Exploring Complementary and Supplementary Angles

What is the sum of measurements for complementary angles?

• 180 degrees

• 90 degrees

• 360 degrees

• 45 degrees

Tags

CCSS.7.G.B.5

Which mnemonic trick helps to remember the difference between complementary and supplementary angles?

• Counting the number of letters

• Using a rhyme

• Drawing them out

• Using the first letter of each word

Tags

CCSS.7.G.B.5

What is the first step in solving angle problems algebraically?

• Check the answer

• Draw the angles

• Solve using algebraic properties

• Identify if angles are complementary or supplementary

Tags

CCSS.7.G.B.5

In example 1, why were the angles classified as 'neither' complementary nor supplementary?

• Their sum was 100 degrees

• Their sum did not equal 90 or 180 degrees

• Their sum was 90 degrees

• Their sum was 180 degrees

Tags

CCSS.7.G.B.5

How do you solve for an unknown angle in a complementary angle problem?

• Add the known angle from 180

• Divide the known angle by 2

• Multiply the known angle by 2

• Subtract the known angle from 90

Tags

CCSS.7.G.B.5

What is the value of x when solving the complementary angle problem with angles x and 71 degrees?

• 20

• 90

• 19

• 71

Tags

CCSS.7.G.B.5

In a supplementary angle problem, what is the sum of the angle measurements?

• 360 degrees

• 90 degrees

• 45 degrees

• 180 degrees

Tags

CCSS.7.G.B.5

How is the value of x found in a supplementary angle problem with angles x and 64 degrees?

• 116

• 64

• 180

• 244

Tags

CCSS.7.G.B.5

What algebraic operation is primarily used to solve for the unknown angle in both complementary and supplementary problems?

• Addition

• Subtraction

• Division

• Multiplication

Tags

CCSS.4.MD.C.7

Why is it important to always check your work after solving an angle problem?

• To make the problem harder

• To ensure the sum matches the angle type

• To practice more algebra

• Because the teacher said so

Tags

CCSS.4.MD.C.7