Answer :
(A) 450 ft squared.
First, calculate the old arena's dimensions.
10 x 15 = 150.
Calculate the new arena's dimensions.
20 x 30 = 600.
Now subtract 150 from 600.
600 - 150 = 450.
Hope I helped!
First, calculate the old arena's dimensions.
10 x 15 = 150.
Calculate the new arena's dimensions.
20 x 30 = 600.
Now subtract 150 from 600.
600 - 150 = 450.
Hope I helped!