The Pet Palace is replacing its dog training arena with a new arena with dimensions that are twice as large.
Old arena: height = 10 ft, base = 15 ft
New arena: height = 20 ft, base = 30 ft
How much greater is the area of the new arena compared to the old one?
Answers given:
A. 450 ft²
B. 280 ft²
C. 225 ft²
D. 300 ft²
Answer (2)
The new dog training arena of the Pet Palace is 450 cubic feet **greater **than the old one. ;
The new dog training arena has an area that is 450 ft² greater than the old arena. The calculation shows the old arena has an area of 150 ft², while the new one has an area of 600 ft². Therefore, the answer is A: 450 ft².
;
