Area
What are the 2 formulas for circumference?
C=pi(d) and C=2(pi)r
Find the circumference of a circle with a radius of 4 cm. Use 3.14 for pi. Include units.
25.12 cm
Find the area of a circle with a diameter of 18 feet. Use the approximation 3.14 for pi. Include units.
254.34 feet squared
A circle is enclosed in a box with side lengths of 10 ft. Find the circumference of the circle. Use the approximation 3.14 for pi.
31.4 feet
Surface area of a cube with a side length of 4 inches
96 cubic inches
Find the radius of a circle where the area of the circle and the circumference of the circle are equal.
When r=2, the area and circumference are both 4pi.