Ch. 10 Review

Marta drew this diagram of a triangular window at the art museum. What is the area of the window?

• 14 square feet

• 12 square feet

• 7 square feet

• 6 square feet

Jake wants to enlarge his 12-foot by 14-foot garden. If he multiplies the dimensions by 2, how will the area of the garden be affected?

• It will be multiplied by 4

• It will be multiplied by 2

Melvin wants to install new carpet in his basement. He needs to know the area of the basement to determine how much carpet he will need to purchase. The figure shows the dimensions of Melvin's basement.

What is the area of the basement?

• 315 square feet

• 288 square feet

• 189 square feet

• 180 square feet

The windows in an office building are shaped like parallelograms. The base of each window is 1.8 meters and the height is 1.5 meters. What is the area of each window?

• 1.35 square meters

• 2.7 square meters

• 3.3 square meters

• 6.6 square meters

A diagram of part of a Navajo rug is shown. What is the area of the shaded triangle?

• 13 square inches

• 21 square inches

• 35 square inches

• 42 square inches

Marcia has a regular hexagonal patch on her backpack. A diagram of the patch is shown. What is the area of the patch?

• 7 square centimeters

• 14 square centimeters

• 42 square centimeters

• 84 square inches

Olivia's father is going to build a new deck in the backyard. He draws this design for the desk. What is the area of the deck?

• 72 square meters

• 36 square meters

• 30 square meters

• 15 square meters

Hiro used 60 square inches of fabric to make a triangular sail for his model sailboat. The base of the sail was 8 inches. What was the height of the sail?

• 15 inches

• 7.5 inches

• 5 inches

• 2.5 inches

Andrew is drawing a sketch of the garden he is going to plant. Line segments JK and KL are two sides of parallelogram JKLM. What are the coordinates of the vertex M ?

• (1, 3)

• (-1, 3)

• (1, -3)

• (-1, -3)

Leeza is making labels in the shape of parallelograms. Each label has an area of 18 square centimeters and a base of 6 centimeters. What is the height of each label?

• 3 centimeters

• 24 centimeters

• 48 centimeters

• 108 centimeters