Question

Find lateral surface area of cuboid whose l= 20cm , b = 10cm & h = 5cm.
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Answer 1

Answer:

300

Step-by-step explanation:

formula :2(l+b)h

2(20+10)5

= 2*30*5

=300 ans

Answer 2

$\huge\tt\colorbox{red}{Answer}$

$l = 20cm \\b = 10cm \\h = 5cm \\ lateral \: surface \: area \: of \: cuboid = 2h(l + b) \\ = 2 \times 5(20 + 10) \\ = 10(30) \\ = 300 {cm}^{2}$