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A rectangle measures 8cm by 4cm. Determine the mesaures of the two acute angles formed at the vertex by a diagonal.

micheala950831  Mar 28, 2017
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One of the acute angles will be given  by :

 

arctan (8/4)  =

 

arctan (2)  ≈ 63.43°

 

And the other will be given by :

 

arctan (4/8)  = 

 

arctan (1/2)  ≈ 26.57° 

 

 

 

cool cool cool

CPhill  Mar 28, 2017

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