jayy2x41
09.11.2020 •
Mathematics
Find the surface area of the pyramid to the nearest whole number.
A) 240 m^2
B) 348 m^2
C) 204 m^2
D) 480 m^2
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Ответ:
B 348 m^2
Step-by-step explanation:
the lateral height is 6sqrt2 because of pythagorean theorem 6-6-6sqrt2 triangle. 6sqrt2x12/2x4 = 144sqrt2 for the 4 triangle areas. 12x12 = 144 for the base. So we have 144sqrt2 + 144. 144sqrt 2 is approximately 203.6. So 203.6 + 144 is approximately 348.
Ответ:
Two x minus four
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