Grade 7 Unlimited Math Practice: Area and Circumference

If the diameter of a circle is 5, what is the circumference?

$6.25\pi$

$2.5\pi$

$5\pi$

$10\pi$

If the diameter of a circle is 7, what is the area?

$12.25\pi$

$1.75\pi$

$14\pi$

$3.0625\pi$

If the radius of a circle is 1.5, what is the circumference?

$3\pi$

$1.5\pi$

$0.5625\pi$

$6\pi$

If the radius of a circle is 7, what is the area?

$49\pi$

$28\pi$

$14\pi$

$7\pi$

If the radius of a circle is 8.5, what is the area?

$18.0625\pi$

$8.5\pi$

$34\pi$

$72.25\pi$