Parallelograms

Question 1

What are the remaining angle measures if the figure is to be a parallelogram? m∠B = ° m∠C = ° m∠D = °

Revolt · Accepted Answer

101; Selection 1: 101; Selection 2: 79; Selection 3: 101

Question 2

Question 2

Revolt · Accepted Answer

79

Question 3

Question 3

Revolt · Accepted Answer

101

Question 4

Use parallelogram ABCD. What are the values of x and y? x = y =

Revolt · Accepted Answer

Part 1: 17; Part 2: 10

Question 5

What is the length of segment EB in parallelogram ABCD?

Revolt · Accepted Answer

69 units

Question 6

Which concept is used to prove that the opposite sides of a parallelogram are congruent?

Revolt · Accepted Answer

congruent triangles

Question 7

What is the value of r? What is the length of segment EF? units

Revolt · Accepted Answer

9; Selection 1: 9; Selection 2: 55

Question 8

What is the measure of ∠A? ° What is the measure of ∠B? °

Revolt · Accepted Answer

Part 1: 114429; Part 2: 108

Question 9

By the definition of a parallelogram, AB∥DC. AD is a transversal between these sides, so ∠A and ∠D are angles. Because AB and DC are , the same-side interior angles must be by the same-side interior angles theorem. Therefore, ∠A and ∠D are supplementary.

Revolt · Accepted Answer

same-side interior; Selection 1: same-side interior; Selection 2: parallel; Selection 3: supplementary

Question 10

Question 13

Revolt · Accepted Answer

55

Parallelograms Answers

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