Question

a cone has a base of r= 3 cm,l= 5 cm find its height​

Answer 1

slant height (l)^2 = radius (r)^2+height (h)^2

5^2= 3^2 + h^2

25=9+h^2

25-9=h^2

16 =h^2

√16=h

h=4

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Answer 2

Answer:

height....r+l=3+5=8cm

so the height of the cone is 8cm