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stich3 [128]
3 years ago
12

A right cylinder has a radius of 5 and height of 9. What is it’s surface area?

Mathematics
2 answers:
Art [367]3 years ago
8 0

Answer:140pi units 2 squared

Step-by-step explanation:

Snowcat [4.5K]3 years ago
6 0

Answer:

The surface area of the right cylinder is 140π cubic units or 439.60 cubic units.

Step-by-step explanation:

We have formula to find the surface area of a right cylinder.

Surface area = 2πr(h + r)

Given: r = 5 and h = 9,

Now plug in the value of r and h in the above formula, we get

Surface area = 2π.5 (9 + 5)

= 10π(14)

Surface area = 140π

The value of π = 3.14, when we plug in the value of π, we get

The surface area = 140 × 3.14

= 439.60 cubic units.

Therefore, the surface area of the right cylinder is 140π cubic units or 439.60 cubic units.

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