English, asked by naveekutty, 1 year ago

Give the solution for the circled one

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Answered by sushant2505
3
26)
6a²=1176cm²
a² = 196cm²
a=14cm
V=a³=14³=2744cm³
29)
old length (a)
S1=6a²
V1=a³
new length (2a)
S2=6(2a)²=4(6a²)=4S1 (4 times)
V2=(2a)³=8a³=8V1 (8times)
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