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What is the volume, in cubic
ft, of a rectangular prism with a height of
7ft, a width of
20ft, and a length of
15ft ?
Answer:
V=◻ft^(3)

What is the volume, in cubic $\mathrm{ft}$ , of a rectangular prism with a height of $7 \mathrm{ft}$ , a width of $20 \mathrm{ft}$ , and a length of $15 \mathrm{ft}$ ? $\newline$ Answer: $V=\square \mathrm{ft}^{3}$

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Volume of cubes and rectangular prisms: word problems

Full solution

Q. What is the volume, in cubic

\mathrm{ft}

, of a rectangular prism with a height of

7 \mathrm{ft}

, a width of

20 \mathrm{ft}

, and a length of

15 \mathrm{ft}

?

\newline

Answer:

V=\square \mathrm{ft}^{3}

Identify dimensions and formula: Identify the dimensions of the rectangular prism and the formula for volume. $\newline$ Height $h = 7$ ft $\newline$ Width $w = 20$ ft $\newline$ Length $l = 15$ ft $\newline$ The formula for the volume $V$ of a rectangular prism is $V = l \times w \times h$ .
Substitute given dimensions: Substitute the given dimensions into the volume formula. $V = 15 \, \text{ft} \times 20 \, \text{ft} \times 7 \, \text{ft}$
Perform multiplication: Perform the multiplication to calculate the volume. $\newline$ $V = 15 \times 20 \times 7$ $\newline$ $V = 300 \times 7$ $\newline$ $V = 2100$ cubic feet

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