Answers Integrated Math II Full Sum of Interior Angles of a TriangleQuestion 1

1

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Sum of Interior Angles of a Triangle

Question 1 • *Integrated Math II Full

The diagram shows parallel lines cut by two transversal lines creating a triangle. Which statements are true? Check all that apply.

Answer

A

m∠A = 20°

B

∠B and the angle marked 60° are alternate exterior angles.

C

m∠C = 100° because it is a vertical angle to the angle marked 100°.

D

∠B and ∠C are supplementary angles.

E

m∠A + m∠B + m∠C = 180°

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