# 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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- davidLv 71 month agoFavourite 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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