7-1: Find Areas of Parallelograms and Rhombuses

Open Ended

What relationships do you see between rectangles and parallelograms?

Open Ended

How can you use the area formula of a rectangle to find the area formula of a parallelogram?

Multiple Choice

What is the formula for the area of a parallelogram?

• A = b × h

• A = b + h

• A = 2b × h

• A = b × h × 2

Open Ended

Compare the area of a parallelogram with a base of 7 cm and height of 4.5 cm to the area of a rectangle with the same dimensions. Explain your reasoning.

Fill in the Blanks

The base of the parallelogram is

cm.

Multiple Select

Select all the values needed to find the area of a parallelogram.

• Base

• Height

• Length of diagonal

• Width

Multiple Choice

Which of the following statements is true about a rhombus?

• A rhombus is a parallelogram with sides of equal length.

• A rhombus is a rectangle with equal diagonals.

• A rhombus is a triangle with equal sides.

• A rhombus is a parallelogram with right angles.

Multiple Choice

What is the formula for finding the area of both a rectangle and a parallelogram, and how are the base and height defined in each shape?

• A = b × h, with base and height as the sides perpendicular to each other in both shapes

• A = b + h, with base and height as any two sides

• A = b × h, with base and height as the longest and shortest sides

• A = b × h, with base and height as the diagonals

Open Ended

How can you find the area of any parallelogram?