3 years ago

Find the total surface area of the following square pyramid: 4 cm 6 cm SA = [?] cm^2

Mathematics

1 answer:

denis23 [38]3 years ago

3 0

Answer:

84cm^2

Step-by-step explanation:

The pyramid's SA is the square at the bottom plus the triangles on the side.

The square is 6x6=36.

Per triangle, it's BxH/2. B=6. H=4. Therefore, per triangle has a SA of 12 cm^2.

There are 4 triangles. 48 cm^2 in total for the triangles

36cm^2+48cm^2=84cm^2

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