Area: 2-D figures

What is the formula for the area of a circle?

• A=2πr

• A=2πd

• A=πr²

• A=2πr²

What is the formula for the area of a parallelogram?

• A=bh

• A=1/2 bh

• A=1/2 (b₁+b₂) h

• A=πr²

What is the formula for the area of a triangle?

• A=bh

• A=1/2 bh

• A=1/2 (b₁+b₂) h

• A=πr²

What is the formula for the area of a trapezoid?

• A=bh

• A=1/2 bh

• A=1/2 (b₁+b₂) h

• A=πr²

What is the area of the following shape? (use an approximate value)

• 21.99 mi

• 43.98 mi

• 153.94 mi

• 615.75 mi

What is the area of the following shape? (use an exact value)

• 144π yd²

• 6π yd²

• 12π yd²

• 36π yd²

What is the area of the following shape?

• 52.02 km

• 26.01 km

• 15.3 km

• 7.65 km

Find the area of the triangle.

• 8 ft

• 8 ft²

• 16 ft

• 16 ft²

Find the area of the triangle.

• 25 mm²

• 50 mm²

• 25 mm

• 50 mm

Find the area of the trapezoid.

• 36 m

• 36 m²

• 72 m

• 72 m²