Author 
Topic 

erin3746
Junior Member
USA
4 Posts 
Posted  08/20/2007 : 16:40:44

i desperately need help:
1.a safe has a cubical storage space inside. what is the volume of a safe with an interior length of 14 inches?
2. A circular area rug has a radius of 2.5 feet. How much area does the rug cover?(the area of a circle is A= r where = 3.14 and r is the radius.)
3. When blown up, a beach ball has a radius of 12 inches. How much air, in cubic feet, is needed to blow up the beach ball?( the volume of a sphere is V= 4/3r where =3.14 and r is the radius.)
4. A can has a radius of 2.1 inches and a height of 7 inches. What is the volume of the can?(the volume of a cylinder is V=rh where =3.14, r is the radius, and h is the height.) 


peppers18
Advanced Member
Canada
124 Posts 
Posted  08/20/2007 : 16:47:43

what do you need help on? all dimensions are given and all formulae are given. looks pretty selfexplanatory 


erin3746
Junior Member
USA
4 Posts 
Posted  08/20/2007 : 16:59:22

i am just kind of unsure of my answer 


peppers18
Advanced Member
Canada
124 Posts 
Posted  08/20/2007 : 18:35:07

show us your answers, and the steps you used to get them, and we can see if you are off track or not 



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