Area and Perimeter of Triangles and Trapezoids

How do you find the AREA of a TRIANGLE?

• Length x Width

• 1/2 (Length x width)

• 1/3 (Length x width)

• Base x Height

Norah bought a triangular rug that was 3 feet long and and 5 feet tall.  How much area did her rug cover?

• 7 1/2 feet

• 15 sq feet

• 7 1/2 sq ft

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 a trapezoid with bases of 17 centimeters and 19 centimeters, and a height of 2 centimeters.

• 18

• 45

• 32

• 36

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

Which measurement is best for determining the distance walking around the edge of a park?

• area

• perimeter

Find the Area of the Triangle.

• 24 m²

• 70 m²

• 140 m²

Find the area of the Triangle.

• 26.97 cm²

• 24.2 cm²

• 23.49 cm²

Find the Area of the Trapezoid.

• 32.5 cm²

• 180 cm²

• 65 cm²

Find the Area of the Trapezoid.

• 72 in²

• 18 in²

• 36 in²