Triangle Sum Theorem

Triangle Sum Theorem

Multiple Choice

Name the angle relationship between < 3 and < 6.

• Corresponding angles

• Vertical angles

• Same-side Interior angles

• Alternate Interior Angles

Multiple Choice

Which equation below can be used to solve for x? Line m is parallel to line n.

• 3x = x - 12

• 3x + (x - 12) = 180

• 3x + (x - 12) = 90

Multiple Select

Identify the angles that have a measure of 144 degrees?

• < 1

• < 2

• < 4

• < 5

• < 7

Multiple Select

Identify the angles that have a measure of 36 degrees.

• < 2

• < 4

• < 5

• < 7

• < 8

Multiple Choice

Find the measure of < A.

• 25 degrees

• 35 degrees

• 40 degrees

• 45 degrees

Multiple Choice

Find the measure of < D.

• 45 degrees

• 60 degrees

• 90 degrees

• 30 degrees

Fill in the Blanks

How are < 4 and < 5 related to triangle ABC ?

Multiple Select

Name two remote interior angles of < 4.

• < 1

• < 2

• < 3

• <5

Multiple Select

Name two remote interior angles of < 5.

• < 1

• < 2

• < 3

• < 4

Open Ended

The m< 5 = 100 degrees. The m< 2 = 55 degrees.

Find the m< 1 _______

Find the m< 3 _______

Find the m< 4 _______

In addition to finding the angle measures, explain the process you used...which angle did you start with and how did you find the angle measures from there.