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A river's width is 15 m and its average depth is 2 m. What is the cross-sectiona
A river's width is 15 m and its average depth is 2 m. What is the cross-sectional area of the river?
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Q1
A river's width is 15 m and its average depth is 2 m. What is the cross-sectional area of the river?
30 m²
15 m²
45 m²
60 m²
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Cross-sectional area = Width × Depth = 15 m × 2 m = 30 m².
Questions & Step-by-step Solutions
1 item
Q
Q: A river's width is 15 m and its average depth is 2 m. What is the cross-sectional area of the river?
Solution:
Cross-sectional area = Width × Depth = 15 m × 2 m = 30 m².
Steps: 6
Show Steps
Step 1: Identify the width of the river, which is given as 15 meters.
Step 2: Identify the average depth of the river, which is given as 2 meters.
Step 3: Use the formula for cross-sectional area, which is Width × Depth.
Step 4: Substitute the values into the formula: 15 m (width) × 2 m (depth).
Step 5: Calculate the result: 15 × 2 = 30.
Step 6: State the final answer: The cross-sectional area of the river is 30 square meters.
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