Isosceles trapezoids always have diagonals congruent.

True

False

4

1

Give the most descriptive name for this quadrilateral.

5

1

Give the most descriptive name for this quadrilateral.

6

1

Select which of the following are methods to prove a parallelogram.

A One pair of congruent and parallel sides.

B Both pairs of parallel sides.

C One pair of congruent sides.

D Both diagonals bisect each other.

E Both pairs of opposite angles congruent.

7

1

Given that you have a parallelogram, which is a method to prove that you have a rhombus.

A One pair of consecutive sides congruent.

B Diagonals are congruent.

C One diagonal bisects the vertex angles.

8

1

What is the statement and justification for Step 3?

9

1

What is the statement and justification for step 6?

10

1

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