Trigonometry Ratios

How many square units are in the area of the inscribed circle? Express in terms of π. (3) 2002-WO8-3. 65) A formula for the area of a triangle is: Where s is the semi-perimeter (half perimeter) and a, b, c are side lengths. What integer is closest to the area of a triangle whose sides are 5, 6 … ................
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