Q. 1 A5.0( 3 Votes )

# Find the L.S.A, T

Given:

l = 5cm, b = 2cm and h = 11cm

(a) LSA of cuboid = 2(lh+hb)

= 2(5(11) + 2(11))

= 2(55+22)

= 2(77) = 154cm2

LSA of cuboid = 154cm2

(b) TSA of cuboid = 2(lh+hb+lb)

= 2(5(11) + 2(11) + 5(2))

= 2(55+22+10)

TSA of cuboid = 174cm2

(c) Volume of cuboid = l× b× h

= 5× 2× 11

Volume of cuboid = 110cm3

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