lay1841 lay1841

26-02-2021
Mathematics

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3. What is the total surface area of the square
pyramid in square inches?
1
11.5 in
7 in

3 What is the total surface area of the square pyramid in square inches 1 115 in 7 in class=

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FireandCreate FireandCreate

26-02-2021

Answer:

area of a triangular face = ½(base)(side length) = ½(7)(11.5) = 40.25 in

lateral area = all four triangles = 161 in²

base area = 7² = 49 in²

total surface area = lateral area + base area = 161+49 = 210 in²

I hope this helps

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