coolswag coolswag

30-01-2015
Mathematics

Answered

the tissue box is in the shape of a triangular pyramid. the height of the box is 5 inches. the area of the base is 12.6 square inches. what is the volume of the tissue box rounded to the nearest cubic inch?

Verified Answer :

sarahberah76 sarahberah76

30-01-2015

abh/6

a=apothem length
b=side length of the base
h=height

if we factor the formula for area of a triangular pryamid, we get (1/2ab)(h/3)
1/2ab= area of the triangular base
so 12.6(5/3)=21

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