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Mathematics, 21.07.2019 11:00 uglybruja81
Item 12 a regular triangular pyramid has a base and lateral faces that are congruent equilateral triangles. it has a lateral surface area of 57 square centimeters. what is the surface area of the regular triangular pyramid?
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Item 12 a regular triangular pyramid has a base and lateral faces that are congruent equilateral tri...
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