Answer:
14: 104.5 square inches
15: 706.5 square inches
Step-by-step explanation:
14: 19x11= 209
209/2= 104.5 square inches
15: formula: pi times the radius squared
15x15= 225
225x3.14= 706.5 square inches
Thus :
he would have traveled 210 miles because in half an hour he would have traveled 30 miles and in 3 hours he would have traveled 180 miles. so we have to add those up and we get our answer: 210 miles