radius and height of a cylinder are in ratio 5 ratio 7 and Its volume is 550cm.Find it's radius
Answers
Answered by
1
Answer:
Step-by-step explanation:
If radius = 5x
Height = 7x
πr^h = 550
22/7×25x^2×7x = 550
x = 1
Radius = 5×1 = 5cm
Answered by
0
Answer:
5/7=r/h
5h=7r
h=7r/5
volume=πr2h=550
22/7(r)2(7r/5)=550
r3=550×5/22
r3=25×5
cube root both side
r=5
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