Question

the dimensions of cuboid are 5cm* 4cm* 2cm. find diagonal
i) 3√5
ii) 4√5
iii) 2√3
iv) 4√3​

Answer 1

Answer:

3√5

Step-by-step explanation:

Diagonal = √5²+2²+4²

= √25+16+4

=√45

=3√5

Answer 2

$diagonal = \sqrt{ {l}^{2} + {b}^{2} + {h}^{2} } \\ = \sqrt{ {5}^{2} + {4}^{2} + {2}^{2} } \\ = \sqrt{25 + 16 + 4} \\ = \sqrt{45} \\ = 3 \sqrt{5} \: \: (answer)$

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