Gus builds a swimming pool 30 m long, 5 m deep, and 15 m wide. What is its volume?
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Gus builds a swimming pool 30 m long, 5 m deep, and 15 m wide. What is its volume?
To solve this problem, we'll calculate the volume of the swimming pool using the formula for the volume of a rectangular prism.
Therefore, the volume of Gus's swimming pool is .
Calculate the volume of the rectangular prism below using the data provided.
Volume measures space inside a 3D object. Adding gives you a perimeter (around the edges), but multiplying length × width × height gives you the cubic space that can hold water.
m³ means cubic meters - it shows we're measuring volume (3D space). Always include cubic units for volume problems. If you forget the ³, your answer looks like area instead of volume!
Yes! Multiplication is commutative, so 30 × 15 × 5 = 15 × 5 × 30 = 5 × 30 × 15. All give the same answer: 2250 m³.
Think about it: this pool is 30m long (about 3 houses), 15m wide (very wide!), and 5m deep (deeper than most pools). So 2250 m³ is reasonable for such a large pool.
The same formula works: length × width × height. Just make sure all dimensions use the same units before multiplying. Your final answer will be in cubic units of whatever you used.
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