leezacharyjustin leezacharyjustin

30-03-2021
Mathematics

contestada

A regular triangular pyramid has a base and lateral faces that are congruent equilateral triangles. It has a lateral surface area of 81 square feet. What is the surface area of the regular triangular pyramid?

Respuesta :

thingone4805 thingone4805

30-03-2021

Answer:

i believe it is a≈13.68

Step-by-step explanation:

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