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1
avatar+164 

△ABC is a right triangle with right angle at ∠B .

AB=42 cm
BC=34 cm

 

What is the measure of ∠A , to the nearest degree?

 May 3, 2017
 #1
avatar+95884 
+3

 

We can use the arctangent here

 

arctan  ( 34/42)  = A  ≈ 37°    (rounded)

 

 

cool cool cool 

 May 3, 2017

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