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For a line of length 2.5 m passing through origin and inclination 60 with x-axis, centroid along y is ( Ans. 1.083 ) [42] Two forces of magnitude P and
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Construct a line AM which is perpendicular to BC.
Area of ΔABC=
2
1
×b×h=
2
1
×BC×AM.
So on further calculation we get
Area of ΔABC=
2
1
×6×3
Area of ΔABC=9 sq. units
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