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The centroid determines the following figure Y 120 mm 60 mm 40 mm 80 mm X 60 mm

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(A Given y 120mm 80mm Gomm yomm 1 1 60mm Centroid = ? divide the are into rectangle, triangle Semicircle & circle 60 Rectangl40 Triangler 120 X 6o - 20mm Ar ) 12 X 120X60 = 3-6X103 mm 2 ñmm 40 ý )-20mm FA 144X103 mm3 , Ş Age 72x 103 mm3 T Sempirde VNow IA - AR + Ay tAstAc. Circler v=yomm 180mm 6omm А = -tox 402=-51027X103 mm2 ã = 60 mm, 9 = 80mm mm3, GA > -40212X100 ña -Now ZE I ñ 757.78 103 I A 13.828 X103, ñ = 54.79 mm प I ý 506.2X102 2 13.8288 10 3 9 - 36.606mm 2

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