the radius and slant h of a cone are in the ratio 4:7 if curved surface area 792 find the radius and h
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Answered by
1
Given, CSA = 792 and ratio = 4:7.
Let the radius be 4x and height h be 7x.
Given pirh = 792
22/7 * 4x * 7x = 792
x^2 = (792*7)/(88*7)
x^2 = 9
x = 3.
Radius of the cone = 4 * 3 = 12
Height of the cone = 7 * 3 = 21.
Hope this helps!
Let the radius be 4x and height h be 7x.
Given pirh = 792
22/7 * 4x * 7x = 792
x^2 = (792*7)/(88*7)
x^2 = 9
x = 3.
Radius of the cone = 4 * 3 = 12
Height of the cone = 7 * 3 = 21.
Hope this helps!
Answered by
0
792/88=9 so radius=36
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