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A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 7 feet long, and the height of the equilateral triangle is 6.1 feet. The pyramid's slant height is 9 feet. What is its surface area?

User Uri Shtand
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1 Answer

9 votes

Answer:

115.85

Explanation:

User Victor Bjelkholm
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