Can I get some help..please?
1 answer:
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Use Pythagorean theorem:
9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80
now divide both terms in V by that:
u = 9/sqrt(80)i - 1/sqrt(80)j
see attached picture:
9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80
now divide both terms in V by that:
u = 9/sqrt(80)i - 1/sqrt(80)j
see attached picture:
the volume of the cylinder is 572.27 cm³
Explanation:Given:
radius of the cylinder = 4.5cm
height = 9cm
To get the volume of the cylinder, we will use the formula:
To the nearest hundredth, the volume of the cylinder is 572.27 cm³