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shtirl [24]
3 years ago
9

20 m 12 m 34 m Find the surface area of this figure

Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0

Surface area of the fig is 2350.9 sq m (approx).

Step-by-step explanation:

Given,

Diameter = 34 m

so, radius (r) = 17 m

Height of the cylinder (h) = 12 m

Slant height of the cone (l) = 20 m

To find the surface area of the fig

Surface area of the  fig = surface area of cylinder + surface area of cone

Formula

Surface area of cylinder = 2πrh

Surface area of cone = πrl

So,

Surface area of cylinder = 2π×17×12 sq m = 408π sq m

Surface area of cone = π×17×20 = 340π sq m

Surface area of the  fig = 408π+340π sq m = 748π sq m

= 2350.9 sq m (approx)

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