The volume of the cylinder is 39600 cm cube and height is 14 centimetre find the lateral surface area and total surface area
Answers
Answered by
70
h=14cm
volume of cylinder=πr²h
39600=22/7×r²×14
39600=44×r²
39600/44=r²
900=r²
r=√900
r=30cm
Lateral surface area of cylinder=2πrh
=2×22/7×30×14
=2×22×30×2
=88×30
=2640cm²
Total surface area of cylinder=2πr(h+r)
=2×22/7×30(30+14)
=2×22/7×30×44
=44×44×30/7
=58080/7
=8297.14286
=8297.14(approx)
hope this answer will help you
volume of cylinder=πr²h
39600=22/7×r²×14
39600=44×r²
39600/44=r²
900=r²
r=√900
r=30cm
Lateral surface area of cylinder=2πrh
=2×22/7×30×14
=2×22×30×2
=88×30
=2640cm²
Total surface area of cylinder=2πr(h+r)
=2×22/7×30(30+14)
=2×22/7×30×44
=44×44×30/7
=58080/7
=8297.14286
=8297.14(approx)
hope this answer will help you
saklaniprince391:
very good answer
amazing even this is hard u solve it
Answered by
14
h=14cm
volume of cylinder=πr²h
39600=22/7×r²×14
39600=44×r²
39600/44=r²
900=r²
r=√900
r=30cm
Lateral surface area of cylinder=2πrh
=2×22/7×30×14
=2×22×30×2
=88×30
=2640cm²
Total surface area of cylinder=2πr(h+r)
=2×22/7×30(30+14)
=2×22/7×30×44
=44×44×30/7
=58080/7
=8297.14286
=8297.14(approx)
hope this answer will help you
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