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Zinaida [17]
3 years ago
11

Each of the faces (sides) has an area 66 square millimeters. Find the total surface area of the triangular pyramid.

Mathematics
1 answer:
Igoryamba3 years ago
7 0
There are 4 faces on a triangular pyramid
so total surface area = 4 x area of each face = 4 x 66
= 264 sq mm
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