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Trigonometry · Question of the Day

Trigonometry Question of the Day

A fresh daily question to build accuracy, reinforce recall, and turn practice into a steady habit.
Sunday, September 6, 2026

Find the area of given that cm, cm, and .

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Question of the Day

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Find the area of given that cm, cm, and .

  3. (correct answer)

Explanation: Using the formula for area of a triangle equal to , drawing and labelling its sides, angles, and height h, then using triangle trigonometry and substitution, we can derive the formulae , which can be used to find the area of a triangle when we know two of its sides and the included angle. Plugging in, we get: Therefore, the area of the triangle is 95.38 square centimeters.