Question

The figure below is a net for a triangular pyramid. If all the triangles are equilateral, what is the surface area of the pyramid, in square centimeters? ASAP thanks.

Answer 1

The Surface area of the pyramid  is 68 square cm

The total surface area of the pyramid

The total surface area is the area of all the triangles

Area of a triangle = 0.5bh

b is the base

h is the height

Given te followin

b = 6cm

h = 5.2cm

Surface area of the pyramid = 5(0.5 * 6 * 5.2)

Surface area of the pyramid = 78 square cm

Hence the Surface area of the pyramid  is 68 square cm

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