Surface area of a rectangular prism
Find the area of every face and add them.
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A rectangular prism is 10 cm long, 5 cm wide and 9 cm tall. What is its surface area in cm²?
Answer: 370
A rectangular prism is 3 cm long, 4 cm wide and 5 cm tall. What is its surface area in cm²?
Answer: 94
A rectangular prism is 4 cm long, 9 cm wide and 5 cm tall. What is its surface area in cm²?
Answer: 202
Tip: Find the area of every face and add them.
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