WindsorLynne WindsorLynne

31-07-2017
Mathematics

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Find the surface area of the regular tetrahedron.
Round to the nearest hundredth.

Find the surface area of the regular tetrahedron Round to the nearest hundredth class=

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Slipknot Slipknot

31-07-2017

A= Root 3 a squared
Using this formula
your answer is 62.35

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sergibcnusa sergibcnusa

31-07-2017

4 triangles, all the same:

each side is an equilateral triangle:

A = 1/2*6*h, h = sqrt( 6^2 - 3^2) = 3*sqrt(3), A = 9*sqrt(3)

Total = 36*sqrt(3) = 62.35382907247957

Nearest hundredth: 62.35

Answer Link

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