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OpenStudy (anonymous):
A square pyramid of height 7 inches has a volume of 60 cubic inches. If the volume of a similar square pyramid is 1620 cubic inches, what is its height? Answer 7 inches 10 inches 14 inches 21 inches
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OpenStudy (anonymous):
21 inches
OpenStudy (anonymous):
write a proportion i am always getting 189 i dont knw something wrong. but try it
OpenStudy (anonymous):
1620 cubic inches /60 cubic inches=27 get the cube root=3 height 7 inches therefore 7x3=21
OpenStudy (anonymous):
thank-you!! =)
OpenStudy (anonymous):
yw
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