Question

the total length of edge of a cube is 120cm.find it's TSA and volume
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Answer 1

Answer:

According to question,

Edge length of a cube =l

Hence, cube has 12 edges.

So,sum of length of edges =12l

Hence formula for the sum of edge length =(12× one edge length)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

TSA = 6a^2

= 6 × (120)^2 = 6 × 120 × 120 = 86400 cm^2 .

volume = a^3 = (120)^3 =120 ×120 ×120 = 1728 cm^3.