Area of Regular Polygons

A triangle with a height of 11 ft and a base of 8 ft has an area of what?

• 88 ft squared
• 19 ft squared
• 3 ft squared
• 44 ft squared

• 19.8 km²
• 37.8 km²
• 18.9 km²
• 35 km²

Find the area of the parallelogram.

• 42

• 21

• 84

• Impossible to determine with the information given.

Find the value of b if the area of the parallelogram is 12 in².

• 2.5

• 5

• 2.3

• 24.96

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

• 105 cm²

• 52.5 cm²

• 210 cm²

• 102 cm²

• 48 cm²

• 24 cm²

• 16 cm²

• 32cm²

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:

• 84 m²
• 168 m²
• 112 m²
• 56 m²

Find x.

• 10
• 10√3
• 10√2
• 20