makaylashrout77
12.02.2021 •
Mathematics
50 POINTS!
This figure is a tetrahedron. What is its surface area?
124.8 square units
249.6 square units
187.2 square units
312 square units
Solved
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Ответ:
249.6 square units
Step-by-step explanation:
The surface area of a tetrahedron consists of 4 times the same areas. So we just need to get the area a of the triangle with the given height h = 10.4 and base length b = 12 which is
. Multiply with 4 to get the whole thing.
Ответ:
Step-by-step explanation: