Three math questions a piece of cardboard has two circles punched out of it. what is the approximate area of the remaining cardboard? use 3.14 for pi and round to the nearest whole number. 227 cm2 246 cm2 258 cm2 276 cm2 a circular swimming pool has a radius of 15 ft. there is a path all around that pool that is three feet wide. what is the circumference of the outer edge of the path around the pool? use 3.14 for pi 56.52 ft 94.20 ft 113.04 ft 114.04 ft this composite shape is a rectangle with a semicircle attached on one end. the diameter of the semicircle is 6 feet. what is the approximate area of this composite figure? use 3.14 for pi and round to the nearest whole number. 46 ft2 74 ft2 88 ft2 117ft2