SOLUTION: In a right angled triangld ABC,angle A is a right angle,side AB = 4.2cm and side AC = 3.5cm .Find side BC and angles B and C.
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Question 882596: In a right angled triangld ABC,angle A is a right angle,side AB = 4.2cm and side AC = 3.5cm .Find side BC and angles B and C. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In a right angled triangle ABC,angle A is a right angle,side AB = 4.2cm and side AC = 3.5cm .Find side BC and angles B and C.
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Draw the picture.
Solve for the hypotenuse (BC)::
BC = sqrt[4.2^2+3.5^2] = 5.47
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Find angle "B"::
B = arcsin(AC/BC} = arcsin(3.5/5.47) = 39.78 degrees
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C = arcsin(AB/BC) = arcsin(4.2/5.47) = 50.15 degrees
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Cheers,
Stan H.
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