SSC CGL 6 06 2019 Shift 2 Paper

Question : 68 of 100

Marks: +1, -0

G is the centroid of the triangle, ABC, where AB, BC and CA are 7cm , 24 cm and 25 cm respectively, then BG is :

Solution:

In right angle triangle
ΔABC
AD = CD =BD
Median divide hypotenuse in equal two parts

A D=C D=\ {25}/{2}=B D

B G=\ {2}/{3} \× B D

=\ {2}/{3} \× \ {25}/{2}

=\ {25}/{3}=8 \ {1}/{3} \ {\cm}

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