Question

Q.The total surface area of a cylinder is
3080cm² and height is 21cm. Find its base radius.
Show full process.
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Answer 1

Answer:

r≈14cm

h Height

21

cm

A Surface area

3080

cm²

Using the formula

A=2πrh+2πr2

Solving forr

r=1

2h2+2A

π﹣h

2=1

2·212+2·3080

π﹣21

2≈14.00402cm