the curved surface area of a cylinder is 176 CM square and its area of the base is 38.5 CM square find the volume of the cylinder take Pi is equal to 22 upon 7
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Answered by
9
Hlw mate!!
base area =38.5sqcm
πr²=38.5
r²=38.5*7/22
r²=(7/2)²
r=7/2 cm--(1)
csa of the cylinder = 2πrh---(2)
given csa =176cm----(3)
(2) =(3)
2*22/7*7/2*h =176
22h=176
h=176/22
h=8cm
volume = πr²h
= 22/7* 7/2*7/2*8
=308cm³
Hope it helpful
base area =38.5sqcm
πr²=38.5
r²=38.5*7/22
r²=(7/2)²
r=7/2 cm--(1)
csa of the cylinder = 2πrh---(2)
given csa =176cm----(3)
(2) =(3)
2*22/7*7/2*h =176
22h=176
h=176/22
h=8cm
volume = πr²h
= 22/7* 7/2*7/2*8
=308cm³
Hope it helpful
ashmit45:
the answer is beautiful like the owner of it.
Answered by
0
Step-by-step explanation:
Base area of cylinder =πr
2
=38.5cm
2
(Given)
⇒πr
2
=38.5
⇒r
2
=
22
38.5×7
⇒r=
12.25
=3.5cm
CSA of cylinder =2πrh=176cm
2
(Given)
∴2πrh=176
⇒h=
2×22×3.5
176×7
=8cm
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