Circle Fun: Area and Circumference Challenges for 6th Graders

15π square meters

25π square meters

30π square meters

20π square meters

The circumference is always 100 meters.

Circumference depends on the shape and dimensions of the garden.

Circumference is the same as area.

The garden has no circumference if it's square.

113.1 square inches

150.8 square inches

78.5 square inches

94.2 square inches

C = π * r^2

C = 4 * r

C = 2 * π * d

C = 2 * π * r

75π square feet

100π square feet

50π square feet

200 square feet

Fencing is not required if the pool is indoors.

The amount of fencing needed is equal to the perimeter of the pool.

You need to measure the depth of the pool for fencing.

The fencing should be half the area of the pool.

12.57 square feet

10.24 square feet

15.70 square feet

8.00 square feet

C = 2 * d, where d is the diameter of the table.

C = π * (d + 1), where d is the diameter of the table.

C = π * d, where d is the diameter of the table.

C = 2 * π * r, where r is the radius of the table.

785 square inches

450 square inches

615.75 square inches

300 square inches

Approximately 5 meters

Approximately 1.5 meters

Approximately 3.5 meters

Approximately 2.2 meters