SSC CGL 7 06 2019 Shift 2 Paper

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Question : 70 of 100

Marks: +1, -0

A sector is cutout from a circle of diameter

42 \ {\cm}

. if the angle of the sector is

150°,

then its area (in

\ {\cm}^{2}

) is :

(\Take \π=\ {22}/{7}\ )

564
574
580.6
577.5

Solution:

Area

= {150}/{360} \×\π\×(21)^{2}

=\ {150}/{360} \×\ {22}/{7} \×21 \×21

=577.5 \ {\cm}^{2}

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