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Mathematics, 01.07.2019 21:30 sunshine0613

This three-dimensional figure is a triangular pyramid where the base and lateral faces are congruent equilateral triangles and the height of each triangular face is 17.32 inches.
the surface area of the figure is blank square inches.
a. 173.2
b. 346.4
c. 692.8
d. 1,600


This three-dimensional figure is a triangular pyramid where the base and lateral faces are congruent

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