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 What is the area of triangle BCD to the nearest tenth of a square inch? Use special right triangles to help find the height. Show work

 

 

 

Guest Mar 20, 2018
 #1
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We have a 30-60-90 right triangle

The side opposite the 30° angle forms the base of the triangle

The side opposite the 60° angle forms the height and is √3 times the base

 

So....the area is

 

(1/2)(base)(height)  =

 

(1/2)(8) (8√3)  =

 

32√3  ≈ 

 

55.4 in^2

 

 

cool cool cool

CPhill  Mar 20, 2018

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