find the radius of a cylinder whose height is 7cm and volume is 198 cm^3
Anonymous:
9=r². now we write this in this way r²=9
now on shifting square to LhS to rhs
r=√9
this is because ² change in √ after changing their side
r=3 (√9=3)
now radius is 3
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Answers
Answered by
11
Answer:
● The radius is 3 cm....
please, can u solve it step by step?
thanks you
Answered by
5
Answer:
radius of cylinder =3cm
Step-by-step explanation:
volume =198cm^3
πr^2h = 198 cm^3
22/7r^2×7= 198
r^2=198×7/22×7
r^2=9
r=√9
r=3
this is really helpful!
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