Question

The total surface area of a cone having its slant height 9 dm and diameter of its base
as 24 dm is
​

Answer 1

Slant height (l) = 9 dm

Diameter = 24 dm

Radius (r) = 24/2 = 12 dm

Curved Surface Area of cone = πrl

Curved Surface Area = 22/7×12×9

= 339.43 dm(approx.)

Answer 2

Step-by-step explanation:

we have

diameter =24

radius=24/2=12

slant hieght =9

now put the value in formula

u did not tall us that what do u want to ask

tsa, csa, or volume

so the formula are as follows

TSA=22/7*r(l+r)

CSA=22/7*r*l

volume =1/3*22/7*r*r*h

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