Math Core

Unit 9 · Test

Unit 9 test: Perimeter and Shapes

14 questions. Answer them all, then submit to see your score. Solutions unlock after you submit.

This test covers finding perimeter, comparing area and perimeter, naming quadrilaterals, and dividing shapes into equal parts.

Question 1

A triangle has three sides that are each 6 cm long. What is its perimeter, in centimeters?

Type a number.

Question 2

A rectangle is 9 feet long and 4 feet wide. What is its perimeter, in feet?

Type a number.

Question 3

A shape has 4 sides. Three of the sides are 3 inches, 5 inches and 7 inches long. The perimeter is 20 inches. How long is the fourth side, in inches?

Type a number.

Question 4

A square has a perimeter of 32 meters. How long is each side, in meters?

Type a number.

Question 5

A family wants to build a fence around their rectangular yard. What should they measure to know how much fence to buy?

Question 6

A rectangle is 7 cm long and 3 cm wide. What is its area, in square centimeters?

Type a number.

Question 7

Two rectangles each have an area of 16 square units. One is 8 by 2 and the other is 4 by 4. Which has the greater perimeter?

Question 8

A rectangle has whole-number sides and a perimeter of 14 units. What is the greatest area it could have, in square units?

Type a number.

Question 9

A quadrilateral has 4 sides that are all the same length, but none of its angles are right angles. What is its best name?

Question 10

Which sentence is true?

Question 11

A rhombus has sides that are 9 inches long. What is its perimeter, in inches?

Type a number.

Question 12

A hexagon is cut into 6 equal parts. What fraction of the hexagon is each part?

Type a number.

Question 13

A rectangle has an area of 18 square centimeters. It is cut into 3 equal parts. What is the area of each part, in square centimeters?

Type a number.

Question 14

Which shows a shape divided into thirds?