area and volume
posted by lilman .
A balloon has a circumference of 22in. Use the circumference to approximate the surface area of the balloon to the nearset square inch.
possible answers;
154in^2
616in^2
1,521in^2
484in^2
Find the volume of the square pyramid.Round to nearest tenth if necessary.
The pyramid has a base of 24ft. and height of 15ft.
possible answers;
5,184ft^3
1,728ft^3
192ft^3
2,592ft^3
These are the only two problems I haven't been able to figure out. Would someone please help?
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