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Geometry Unit 5 Part 1 Formula Sheet. Area. Conversions. Circles. Rectangle: bh (or . lw) Degree to radian: degree* π 180 C =2πr . or . dπ Parallelogram: bh Radians to degrees: radian* 180 π . Area =π r 2 Triangle: 1 2 bh . OR. 1 2 (side)(side) sin (angle) AoS = degrees 360 π r 2 Equilateral Triangle: 3 4 (side)(side) Angles of Polygons ................
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