A triangle has two sides with lengths 11.3cm and 19.2cm and an area of 80cm ^ 2. ?

Find the possible measures of the included angle. Cheers

1 Answer

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  • david
    Lv 7
    1 month ago
    Favourite answer

    Area = [ab sin C ] /2

    sin C = 2 X area / [ab]

     sin C = 160 / [11.3 X 19.2]

      C = 47.516 degrees

      and  C = 132.484 deg.   ... 2 possible answers

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