A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 6 yards long,
and the height of the equilateral triangle is 5.2 yards. The pyramid's slant height is 7 yards. What is its surface area?
1 answer:
Answer:
78.6 sq. yards
Step-by-step explanation:
SA = (½×6×5.2)+(3×½×6×7)
= 15.6 + 63 = 78.6 sq. yards
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Answer:
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Associative property of multiplication which states :
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