Answers2026 Summer 305 Edgenuity CR_Grade 8 Pre-Algebra_MathSum of Interior Angles of a TriangleQuestion 7
7
AssignmentMultiple Select

Sum of Interior Angles of a Triangle

Question 7 • 2026 Summer 305 Edgenuity CR_Grade 8 Pre-Algebra_Math

For the angles shown in the diagram, which statements are true? Select all that apply.

Answer
A
The sum of m∠3 and m∠4 is 180°.
B
The sum of the measures of the adjacent interior angle and one of the remote interior angles is equal to the measure of the exterior angle.
C
∠3 is supplementary to ∠1.
D
m∠4 = m∠1 + m∠2.
E
m∠1 + m∠2 + m∠3 = 180°
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