The surface area of a (10cm x 4cm x3cm) brick is Options: A . &nbsp84 Sq.cm B . &nbsp124 Sq.cm C . &nbsp164 Sq.cm D . &nbsp180 Sq.cm

The surface area of a (10cm x 4cm x3cm) brick is

Question

The surface area of a (10cm x 4cm x3cm) brick is

Options:

A . 84 Sq.cm

B . 124 Sq.cm

C . 164 Sq.cm

D . 180 Sq.cm

Answer: Option C

Here l=10 cm , b =4 cm and h = 3 cm
Surface area = 2 (lb +bh +lh)
= 2(10 x 4 + 4x3 + 10 x3) Sq.cm
=(2 x 82) Sq.cm = 164 Sq.cm

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