Thursday

July 24, 2014

July 24, 2014

Posted by **lilman** on Sunday, April 29, 2012 at 10:21pm.

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?

- area and volume -
**lilman**, Sunday, April 29, 2012 at 10:44pmIbelieve the 2nd one is 1,728ft^3, but I do not how to do the balloon.

- area and volume -
**Steve**, Monday, April 30, 2012 at 11:04amc = 2pi*r, so r=c/2pi = 11/pi

a = 4pi*r^2 = 4pi(121/pi^2) = 484/pi = 154

v = 1/3 Bh = 1/3 (24^2)(15) = 2880

**Related Questions**

geometry - balloon has a circumference of 23 cm. Use the circumference to ...

Math - A spherical balloon has a circumference of 10 inches. If it expands to ...

math - Okay. So i'm doing this project for my geometry class about different ...

Math - A spherical balloon with a surface area of 36pi square inches is inflated...

Physics - I need help on two problems :P 1. A spherical balloon is partially ...

Calc - Air is being pumped into a spherical balloon so that its volume increases...

Calculus - Air is being pumped into a spherical balloon so that its volume ...

Word Problem - The surface area of a balloon is given by S(r) = 4(pie)r^2, where...

calculus - A spherical balloon is being inflated at a rate of 10 cubic inches ...

Calculus - A spherical balloon is being inflated at a rate of 10 cubic inches ...