Area of Triangles, Trapezoids and Rectangles

What is the area?

• 28 ft²

• 35 ft²

• 20 ft²

• 39 ft²

A triangle has an area of 60 square meters. It has a base of 15 meters. What is its height?

• 4 meters

• 8 meters

• 16 meters

• 12 meters

A triangle has an area of 42.5 square centimeters. Its height is 17 cm. What is its base?

• 2.5 cm

• 5 cm

• 10 cm

• 7.5 cm

A trapezoid has one base of 12 feet, the other base of 8 feet and a height of 9 feet. What is its area?

• 90 ft²

• 864 ft²

• 108 ft²

• 72 ft ²

A trapezoid has two bases. One is 16 inches, the other is 2 inches. The height of the trapezoid is 11 inches. What is its area?

• 176 in²

• 49.5 in²

• 99 in²

• 198 in²

A trapezoid has a height of 8.5 kilometers. Its two bases are 19.6 km and 14.1 km. What is its area? Round to the nearest whole number.

• 131 km²

• 72 km²

• 143 km²

• 67 km²

A trapezoid has a total area of 300 square kilometers. Its two bases are 30 km and 20 km. What is its height?

• 25 km

• 7 km

• 15 km

• 12 km

A trapezoid has a total area of 1200 square millimeters. It's height is 40 mm. It has one base of 10 mm. What is the length of the other base?

• 30 mm

• 40 mm

• 50 mm

• 60 mm

A rectangle has a base of 2 feet and a height of 14 feet. What is its area?

• 28 ft²

• 14 ft²

• 32 ft²

• 16 ft2

A rectangle has a base of 9.1 meters and a height of 12.5 meters. What is its area?

• 43.2 m²

• 56.875 m²

• 113.75 m²

• 146.5 m²