Directions Use the area and circumference formulas to find the radius or diameter 7 Find the radius of a circle with an area of 615 75 square kilometers 8 Find the diameter of a circle with a circumference of 15 71 yards 9 Find the diameter of a circle with an area of 415 48 square inches dezsin 11 Find the diameter of a circle with an area of 240 25 square millimeters 10 Find the radius of a circle with a circumference of 125 66 feet 15 Find the circumference of a circle with an area of 1 134 11 square meters Directions Use the information given to find the area or circumference 13 Find the area of a circle with a circumference of 117 feet d sed 12 Find the radius of a circle with a circumference of 45 centimeters Y 20ft 14 Find the circumference of a circle with an area of 676x square millimeters 16 Find the area of a circle with a circumference of 53 41 inches wif nis 20 k OL te t