Area Formulas Quiz

What is the formula for the area of a rectangle?

• Length + Width

• Length × Width

• ½ × Base × Height

• Base × Height

What is the formula for the area of a parallelogram?

• Base × Height

• Length × Width

• ½ × Base × Height

• ½ × (Base₁ + Base₂) × Height

What is the formula for the area of a triangle?

• Base × Height

• Length × Width

• ½ × Base × Height

• ½ × (Base₁ + Base₂) × Height

What is the formula for the area of a trapezoid?

• ½ × (Base₁ + Base₂) × Height

• Base × Height

• Length × Width

• ½ × Base × Height

What happens to the area of a parallelogram if you double the height?

• The area doubles

• The area stays the same

• The area is cut in half

• The area triples

A triangle has a base of 10 cm and a height of 6 cm. What is its area?

A trapezoid has bases of 12 cm and 8 cm, with a height of 5 cm. What is its area?

A parallelogram and a rectangle with the same base and height have the same area.

What’s wrong with this triangle area calculation? A = 12 × 6 = 72

• They forgot to multiply the base by the height

• They used the wrong formula

• They forgot to divide by 2

• The base should be doubled

To find the area of a triangle, multiply the base by the height, then _______.