A cuboidal box is 5 cm by 5 cm by 4 cm . Find its surface area. - Vidyadip

Question

A cuboidal box is 5 cm by 5 cm by 4 cm . Find its surface area.

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Answer

Length of cuboid box $(1)=5 cm$
$\text { Breadth }(b)=5 cm$
$\text { and height }(h)=4 cm$
$\therefore \text { Surface area }=2(l \times b+b \times h+h \times l)$
$=2(5 \times 5+5 \times 4+4 \times 5) cm^2$
$=2(25+20+20)$
$=2 \times 65 cm^2$
$=130 cm^2$

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