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Vikentia [17]
3 years ago
10

A fuel-tanker's tank is 50 feet long and has a diameter of seven feet. Determine the surface area of the fuel tank.

Mathematics
2 answers:
Bezzdna [24]3 years ago
6 0

Answer:

1176.679ft²

Step-by-step explanation:

<u>The question is on surface area of a cylindrical fuel tank</u>

Equation for surface area of a cylinder

S.A = 2\pirh +2\pir²

where r is the radius of cylinder and h is height of cylinder

Diameter=7'⇒r=3.5' and h=50'

Surface Area= 2×3.142×3.5×50 + 2×3.142×3.5×3.5

S.A=1099.7+76.979=1176.679ft²

andreev551 [17]3 years ago
3 0

<u>Answer:</u>

1176.5 square feet

<u>Step-by-step explanation:</u>

We are given that the length of a fuel tanker is 50 feet and its diameter is 7 feet and we are to find its surface area.

Since fuel tank is a cylinder so we need to find the surface area of this cylinder.

<em>Surface area of cylinder = 2\pi rh+2\pi r^2</em>

Substituting the given values (h = 50, r = 7/2 = 3.5)in the above formula:

Surface area of fuel tank =<em> </em>2 \times \pi \times 3.5 \times 50 +2 \times \pi \times (3.5)^2 = 1176.5 square feet

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