Identify Shape and Area Formula

find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Find the area of the circle.  Use 3.14 for π. Round to the nearest tenth if necessary.
a circle with radius 48 mm

• 7,234.56 mm²

• 2,216.46 mm²

• 7,934.59 mm²

• 7,314.22 mm²

What is the radius?

• 18 ft

• 72 ft

• 38 ft

• 14 ft

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Find the area of this triangle.

• 20 cm²

• 35 cm²

• 40 cm²

• 17.5 cm²

What is the area of the rectangle?

• 15 cm²

• 15 cm

• 16 cm²

• 16 cm

Find the area of a triangle with a base of 7 mm and a height of 10 mm?

• 70 mm²

• 35 mm²

• 17 mm²

• 8.5 mm²

Find the area:

• 13 in²

• 20 in²

• 26 in²

• 40 in²

Greyson and Preston have a piece of paper that is 10 inches by 9 inches.  What is the area of the paper?

• 100 sq. in.

• 79 sq. in.

• 90 sq. in.

• 90 in.