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Posted by on Sunday, November 16, 2008 at 2:42am.

show that the area(A) of an isosceles triangle, whose equal sides are of length s and angle between them is theta, is A=1/2s^2sin theta

  • calculus - , Sunday, November 16, 2008 at 7:21am

    You know the althtude is S*sinTheta from the diagram
    Bsase is s
    Area=1/2 base*altitude.

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