Arectangular pyramid measures three feet by four feet at the base, and has a height of seven feet. find its volume. a. 21 ft3 b. 42 ft3 c. 28 ft3 d. 84 ft3

C. 28 ft³

Step-by-step explanation:

The general formula for the volume of a pyramid:

V = , where B = the area of the base and h = height of the pyramid

Since the base is a rectangle, we can find area using the formula:

A = l x w or A = 3 x 4 = 12 ft²

Using B = 12 and h = 7:

V =

V = 28 ft³

step-by-step explanation:

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