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ABCDEFGH is a rectangular prism with AB = 3, BC = 4  and AE = 6. Find the area of quadrilateral ACGE.

 

 Apr 22, 2022
 #1
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\(30\)

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 Apr 22, 2022
 #2
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Since AB = 3 and  BC = 4, by the Pythagorean Theorem, AC = sqrt [ AB^2 + BC^2]  = sqrt [ 9 + 16] =

sqrt (25)  = 5

 

And since AE = 6 and AC = 5, the area of  quadrilateral  ACGE =   6 * 5 = 30

 

cool cool cool 

 Apr 22, 2022

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