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If sides A and B of a triangle have lengths of 5 and 3 respectively, and the angle between them is #(pi)/12#, then what is the area of the triangle?

1 Answer

May 24, 2016

1.94squnit

Explanation:

We know that area of a triangle is given by the formula
Area#(Delta)=1/2xxAxxBxxsintheta#

Where
#"Lenngth of one side"(A)=5#
#" Lenngth of other side"(B)=3#
#"Angle between them"(theta)=pi/12#

#:.Delta=1/2*5*3*sin(pi/12)=1.94#sq.unit

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