Q.

In the arrangement shown, co-ordinates of L-Shaped sheet are

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a

135 cm,    158 cm

b

1711 cm,    1711 cm

c

72 cm,    72 cm

d

1914 cm,    1914 cm

answer is D.

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Detailed Solution

(4)A1=4 × 1  cm2=4cm2x1=12 cm,   y1=2cmA2=3 × 1  cm2=3cm2x2=1+32cm=52cm,  y2=12cm∴   xC=A1x1  + A2x2 A1+A2=4 ×  12  + 3×  524+3  cmxC=1914cmyC=  A1y1  + A2y2 A1+A2=4 ×  2  + 3×  124+3  cm  = 1914  cm.
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