If you spend two hours playing sports after school, what percent of your day is devoted to sports? Use 24 hours as the length of a day. A. about 2%
B. about 8%
C. about 20%
D. about 12%

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)