Question

Find the side of cube whose surface area is 2400m2. Express it into cm.​

Answer 1

Answer:

$surface \: area \: of \: cube = 6 {l}^{2}$

$6 {l}^{ {}^{2} } = 2400$

${l}^{2} = \frac{2400}{6}$

${l}^{2} = 400$

$l \sqrt{400}$

$l = 20m$

Answer 2

Step-by-step explanation:

Surface area = 6a power 2

2400=6a power 2

2400/6=a power 2

400=a power 2

a= root 400

a=20 m =2000cm

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