3 years ago

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

Mathematics

1 answer:

jolli1 [7]3 years ago

3 0

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 $cm^{2}$

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