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Posted by on Saturday, March 24, 2012 at 1:25am.

Find the area of a triangle with sides of length 5 and 8 and included angle 74°. (Round your answer to one decimal place.)

  • pre-calc - , Sunday, March 25, 2012 at 12:29am

    A=1/2absin
    A=1/2(8)(5)sin(74)
    20sin(74)
    =19.2

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