Question #a3679 Geometry Perimeter, Area, and Volume Circumference and Area of Circles 1 Answer jess_r Feb 7, 2017 Area: 81pi cm^2 (or 254.34 cm^2 if you use 3.14 for pi) Circumference: 18pi cm (or 56.52 cm if you use 3.14 for pi) Explanation: Use the formula Area = pir^2 and the formula Circumference = 2pir Answer link Related questions What is the circumference of a 15-inch circle if the diameter of a circle is directly... If the radius of a circle is 4cm, what is the area? How do you find the circumference of a circle with a diameter of 6 cm? How much will it cost to paint a circular sign with a radius of 4 feet if the painter charges... What is the circumference of a circle with a radius of 30 inches? Write the equation of a circle with a center at (-3,-4) and a radius of 3? What is the perimeter of a quadrant of a circle with radius 3cm? I am installing a 1 yard-wide walk around circular swimming pool that is 21 ft in diameter. What... What is the circumference of a circle with radius of 30 inches? What is the equation of a circle with a center at (-3, -4) and a radius of 3? See all questions in Circumference and Area of Circles Impact of this question 2175 views around the world You can reuse this answer Creative Commons License