Geometry Formulas

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Find the area of a trapezoid with bases of 5 feet and 7 feet, and a height of 3 feet.

• 18 

• 36

• 72

• 40

Find the area of the trapezoid.

• 18 m²

• 165 m²

• 84 m²

• 22.5 m²

Find the area of the figure

• 30 cm²

• 44 cm²

• 88 cm²

• 22 cm²

Find the surface area of this figure.

• 148 cm²

• 120 cm²

Find the surface area of the rectangular prism.

• 29 cm2

• 912 cm2

• 348 cm2

• 438 cm2

• 40 in²
• 40
• 40 in
• 4 in²

• 16 yd³
• 16 yd²
• 16 yd
• 1 yd

How do you find the area of a rectangle?

• Length + Length + Length + Length

• Length + Width

• Length x Width

• Width x Width

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