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The base of a right pyramid is an equila...

The base of a right pyramid is an equilateral triangle of side 4 cm each. Each sland edge is 5 cm long. The volume of the pyramid is

A

`(4sqrt(8))/(3) cm^(3)`

B

`(4sqrt(60))/(3) cm^(3)`

C

`(4sqrt(59))/(3) cm^(3)`

D

`(4sqrt(71))/(3) cm^(3)`

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