Unit 4 Review

What is the area of triangle?

• 17 units²
• 20 units²
• 10 units²
• 16 units²

A triangle with a height of 8 mm and a base of 7 mm has an area of what?

• 56 mm squared
• 15 mm squared
• 28 mm squared
• 87 mm squared

What is the height of this triangle?

• 10 m

• 14 m

• 140 m²

• 70 m²

What is the formula to find the area of a triangle?

• A = bh

Find the area of the parallelogram.

• 80

• 90

• 720

• 40

Find the value of x if the area of the triangle is 34.1 m².

• 12.4

• 6.2

• 3.2

• 6.5

Find the value of x if the area of the triangle is 19.25 in².

• 7

• 3.5

• 8

• 6.5

A triangle has an area of 160 square inches and the base of the triangle is 40 inches. What is the height of the triangle?

• 4

• 120

• 8

• 6400

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet
• 40 ft
• 96 square feet
• 40 square feet

What is the area of this rectangle?