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A toy pyramid has the dimensions shown below.  The base of the pyramid is an equilateral triangle.  What is the surface area of the pyramid?

 

 Feb 25, 2021
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Triangle area = 1/2 base * height

 

for the bottom    area = 1/2 * 6 * 7

then there are THREE sides to add in    3   *   1/2 6 * 9          add 'em up      cm 2

 Feb 25, 2021

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