For each of the shapes below, choose the most precise classification.

a

Trapezoid

A

Rectangle

B

Square

C

Trapezoid

A

Rectangle

B

Square

C

b

Square

A

Trapezoid

B

Rectangle

C

Square

A

Trapezoid

B

Rectangle

C

c

Trapezoid

A

Rectangle

B

Square

C

Trapezoid

A

Rectangle

B

Square

C

d

Trapezoid

A

Rectangle

B

Square

C

Trapezoid

A

Rectangle

B

Square

C

e

Trapezoid

A

Square

B

Rectangle

C

Trapezoid

A

Square

B

Rectangle

C

Easy

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Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.

Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.