In one grade of 150 students, the ratio of boys to girls is 2 : 3.
2 answers:
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Given:
Radius of the cylinder = 5 in
Height of the cylinder = 30 in.
To find:
The surface area of the cylinder.
Solution:
The surface area of the cylinder is:
Where, r is the radius and h is the height of the cylinder.
Putting in the above formula, we get
Therefore, the surface area of the cylinder is 1099 square inches.