A cylinder has a volume of 175pi cubic units and a height of 7 units. The diameter of the cylinder is
HELP!!!!!!!!! Because I don't understand this at ALL!!!!!!!
Stacey Warren - Expert brainly.com
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Volume of a cylinder = pi x r^2 x h
a diameter is twice the radius... so
diameter is 2 x r
\(\Large V = \pi \times r^2 \times h \)
V = 175pi
h = 7
now solve for r
then double it
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so first... divide both sides by pi
then divide both sides by 7
then you should be left with r^2 = ... a number
then sqrt both sides and you should be left with r
then double it... and that = d
I just got a number like 4,000 and something. I seriously don't understand :( I'm sorry...
Is the answer 10?
bam! u rock!
yep, d = 10 ;)
Thank you so much! Sorry it took so long lol
all good dude, if it was easy it wouldn't be fun ;)