Grade 7 Geometry MCA Test Samplers

The diameter of the bottom of a sugar cookie is 5 inches. What is the area of the bottom of the cookie? (Use 3.14 for pi)

• 7.9 sq. in.

• 15.7 sq. in.

• 19.6 sq. in.

• 78.5 sq. in.

Mr. Jimeno built a circular play area. The diameter of the play area is 10 feet. What is the approximate circumference of the play area? (Use 3.14 for pi)

• 16 ft

• 31 ft

• 63 ft

• 79 ft

The diameter of a circular carousel is 50 feet. What is the circumference of the
carousel? (Use 3.14 for π.)

• 16 ft

• 157 ft

• 314 ft

• 1,963 ft

A bicycle wheel has a diameter of 24 inches. What is the approximate circumference of the bicycle wheel? (Use 3.14 for π.)

• 38 in

• 75 in

• 151 in

• 452 in

In a state park, the largest white pine tree has a diameter of 55 inches. What is the circumference of the tree? (Use 3.14 for π.)

• 86 in

• 173 in

• 345 in

• 2,375 in

Students made a circular poster of Earth. The diameter of the poster is 10 feet. What is the approximate area of the poster? (Use 3.14 for π.)

• 31.4

• 78.5

• 246.5

• 314.0

The diameter of the bottom of a sugar cookie is 5 inches. What is the area of the bottom of the cookie? (Use 3.14 for π.)

• 7.9 sq. in.

• 15.7 sq. in.

• 19.6 sq. in.

• 78.5 sq. in.

Mr. Beal’s garden is a sector of a circle. What is the area of his garden? (Use 3.14 for π.)

• 126

• 314

• 1,256

• 2,512

The radius of Mars at its equator is 1,516 miles. The radius of Earth at its equator is 3,963 miles. What is the difference between the circumferences of Mars and Earth at their equators? (Use 3.14 for π.)

• 2,477 miles

• 7,684 miles

• 15,367 miles

• 20,127 miles

For any circle, the ratio of the circumference to the diameter can be represented by k. What is the value of k to the nearest hundredth?

Answer explanation

C/d = pi