Area and Equations

A triangle has an area of 81 square feet. The base is 18 feet. What is the height?

• 1458

• 4.5

• 9

• 63

Tags

CCSS.6.G.A.1

A triangular sail has an area of 105 square feet. It has a height of 14 feet. What is the base of the sail?

• 15

• 7.5

• 1470

• 101

Tags

CCSS.6.G.A.1

The Weston highway department built a triangular traffic island on the expressway. The base of the island is 3.5 feet long. It has an area of 17.5 square feet. What is the height of the traffic island?

• 5 ft

• 2.5 ft

• 20 ft

• 10 ft

Tags

CCSS.6.G.A.1

A ship’s triangular signal flag has a base of 8 inches and an area of 64 square inches. What is the height of the signal flag?

• 16 in

• 8 in

• 4 in

Tags

CCSS.6.G.A.1

A section in a stained glass window is shaped like a right triangle. The section has a height of 7.5 cm. If the area of the section of glass is 17.25 cm2 , how long is the base of the section?

• 9.2 cm

• 4.6 cm

• 2.3 cm

Tags

CCSS.6.G.A.1

A park is shaped like a trapezoid. It has an area of 24 square miles. One base is 5 miles, and the other base is 7 miles long. What is the height of the park?

• 6 mi

• 8 mi

• 4 mi

• 0.75

Tags

CCSS.6.G.A.1

Renee is sewing a quilt whose pattern contains right triangles. Each quilt piece has a height 6 inches and area of 24 square inches. How long is the base of each quilt piece?

• 8 in

• 16 in

• 4 in

• 2 in

Tags

CCSS.6.G.A.1

A triangular bandana has an area of 70 square inches. The height of the triangle is 8 inches. Write and solve an equation to find the length of the base of the triangle.

• 16 in

• 32 in

• 8 in

Tags

CCSS.6.EE.B.7

A roof is shaped like a trapezoid. It has an area of 48.4 square feet. The bases are 9.1 and 3. What is the height of the roof?

• 5.1

• 4

• 8

• 10.2

Tags

CCSS.6.G.A.1

A street block has an area of 12 square miles. The length of the block is 2 miles. What is the width?

• 6

• 24

• 10

• 3

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3