plzz sendd thee answerr fastt
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Step-by-step explanation:
1)
h = 350
r = 42
area = 2πrh * 500
= 2*22/7*42*350*500
= 46200000cm²
4620m²
2)
=l*b*h
=300*250*8
=600000cm²
$600000*9
5400000g
5400kg
Kindly Mark me as brainliest