Area of quadrilaterals, trapezoids and triangles

What units are used to measure area?

• Cubic units (e.g., cubic meters, cubic centimeters)

• Linear units (e.g., meters, centimeters)

• Square units (e.g., square meters, square centimeters, square inches)

• Volume units (e.g., liters, gallons)

What is the area of a rectangle with a length of 7 m and a width of 3 m?

• 15 m²

• 21 m²

• 24 m²

• 18 m²

How do you find the area of a square?

• Area = side × side (or side²)

• Area = 2 × (length + width)

• Area = length × width

• Area = side + side

What is the formula for the area of a trapezoid?

• Area = 1/2 × (base1 + base2) × height

• Area = base × height

• Area = (base1 + base2) × height

• Area = 1/2 × base × height

Define a trapezoid.

• A four-sided figure with at least one pair of parallel sides.

• A three-sided figure with equal sides.

• A polygon with all sides equal in length.

• A four-sided figure with no parallel sides.

If a triangle has a base of 10 m and a height of 5 m, what is its area?

• 20 m²

• 25 m²

• 30 m²

• 15 m²

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

• 12 cm²

• 15 cm²

• 18 cm²

• 20 cm²

What is the area of a triangle?

• Area = 1/2 × base × height

• Area = base × height

• Area = base + height

• Area = 1/3 × base × height

What is the area of a trapezoid with bases of 6 m and 4 m, and a height of 3 m?

• 12 m²

• 15 m²

• 18 m²

• 20 m²

What is the area of a triangle with a base of 12 cm and a height of 4 cm?

• 20 cm²

• 22 cm²

• 24 cm²

• 26 cm²