. If F, G, and H are the midpoints of the sides of ∆CDE, FG = 9, GH = 7, and CD = 24, find each measure.
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Answer: c. (1/2) bc sin A
<u>Step-by-step explanation:</u>
You can find the area of a triangle using trigonometry if you know the lengths of two sides and the measure of the included angle using the following formula: