Area and Perimeter of Triangles and Circles

What is the perimeter of the triangle above?

• 14.5 in

• 13.4 in

• 13.7 in

• 17.7 in

What is the area of the triangle above?

• 13.76 in²

• 6.4 in²

• 6.88 in²

• 12.8 in²

What is the perimeter of the trapezoid above?

• 31.6 in

• 28 in

• 17.3 in

• 31.3 in

What is the area of the trapezoid above?

• 80.9 in²

• 43.71 in²

• 59.1 in²

• 74.4 in²

What is the circumference (perimeter) of the circle above?

Use 3.14 for pi.

• 237.7 mm

• 17.4 mm

• 54.6 mm

• 27.3 mm

What is the area of the circle above?

Use 3.14 for pi.

• 54.6 mm²

• 950.7 mm²

• 17.4 mm²

• 237.7 mm²

What is the length of the missing side of the rectangle above?

• 180 ft

• 54 ft

• 108 ft

• 3.5 ft

What is the area of the rectangle above?

• 3888 ft²

• 7776 ft²

• 180 ft²

• 18 ft²

If the perimeter of the triangle above is 15.8 in, what is the area?

• 5.9 in²

• 9.44 in²

• 36.53 in²

• 18.9 in²

If the circumference of the circle above is 40.841 ft, what is the radius?

• 6.5 ft

• 13 ft

• 20.4 ft

• 42.3 ft