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23-05-2020
Mathematics

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PLEASE HELP! FIND THE SURFACE AREA OF THIS SQUARE-BASED PYRAMID. I REALLY NEED HELP

PLEASE HELP FIND THE SURFACE AREA OF THIS SQUAREBASED PYRAMID I REALLY NEED HELP class=

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joeyzhil joeyzhil

24-05-2020

Answer:

105

For the 4 triangular faces, find the area with 1/2 × base × height = 1/2 × 5 × 8 = 20

4 triangles -> 20 × 4 = 80

The area of the square base is 25

80 + 25 - 105 [tex]cm^{2}[/tex]

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