Emma needs to find the surface area of a triangular pyramid where the base and all three faces are congruent equilateral triangles.
What is the total surface area?

Emma needs to find the surface area of a triangular pyramid where the base and all three faces are congruent equilateral triangles What is the total surface are class=
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Answer:

73.19

Step-by-step explanation:

4 * (1/2)* (6.5) * (5.63)