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    Question

    In a triangle, the lengths of two sides are 13 cm and 14

    cm, and the included angle between them is 60┬░. Find the area of the triangle.
    A 84 cm┬▓ Correct Answer Incorrect Answer
    B 91тИЪ3/2 cm┬▓ Correct Answer Incorrect Answer
    C 92 cm┬▓ Correct Answer Incorrect Answer
    D 98тИЪ3/2 cm┬▓ Correct Answer Incorrect Answer

    Solution

    The area of a triangle is given by: Area = 1/2 ├Ч a ├Ч b ├Ч sin(╬╕) Given: a = 13 cm, b = 14 cm, and ╬╕ = 60┬░. Area = 1/2 ├Ч 13 ├Ч 14 ├Ч sin(60┬░) Area = 1/2 ├Ч 13 ├Ч 14 ├Ч тИЪ3/2 Area = 91тИЪ3/2 cm┬▓ Correct option: B) 91тИЪ3/2 cm┬▓

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