Item 12
A regular triangular pyramid has a base and lateral faces that are congruent equilater...
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Mathematics, 29.05.2020 23:14 haymish5810
Item 12
A regular triangular pyramid has a base and lateral faces that are congruent equilateral triangles. It has a lateral surface area of 63 square centimeters. What is the surface area of the regular triangular pyramid?
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