Gale builds a circular pen in his yard for his dog. the pen has a radius of 10 ft. there is a law in gale's town which states that all dogs must have at least 300 ft2 of room in their pen. does gales' pen meet the standards?
a) no. a = 62.8 ft2
b) no. a = 98.596 ft2
c) yes. a = 314 ft2
d) yes. a = 985.96 ft2