The height 4
The height and radius of a cylinder are 25 ft and 5 ft, respectively. What is the surface area?
Correct answer:
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Math student
Given: r=5 ft, h=25ft
Formula: 2πr(r+h)
= 2×3.14×5ft(5ft+25ft)
=31.4ft(30ft)
=942ft²
Formula: 2πrh+2πr²
=2×3.14×5ft×25ft + 2×3.14×5²
=785ft² + 157ft²
=942ft²
Formula: 2πr(r+h)
= 2×3.14×5ft(5ft+25ft)
=31.4ft(30ft)
=942ft²
Formula: 2πrh+2πr²
=2×3.14×5ft×25ft + 2×3.14×5²
=785ft² + 157ft²
=942ft²
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