A bench is 35 inches long and 19 inches wide. how many square inches does it cover?
1 answer:
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Volume of square pyramid can be calculated by the formula :
V=
a is the length of base and h is the height of the pyramid.
In the given figure a= x in.and h = in.
Volume of pyramid given V =486 cubic inches.
Substituting these values in volume of pyramid we have:
486= ÷ 3
Or 486=
486=
Multiplying both sides by 12
5832 =
Or x= 18 in.
