Asked by ore
a closed tin is in the shape of acylinder of diameter 10cm and height 15cm.use the value 3.14 for pie to find a)the total surface area of the tin b)the value of the tin to the nearest naira if tin plate cost 450 per m2
Answers
Answered by
Steve
pi, not pie!
2pi(r^2+rh) = 2pi(25+75) = 200pi
Now just multiply that are by the cost, which is .0450/cm^2
2pi(r^2+rh) = 2pi(25+75) = 200pi
Now just multiply that are by the cost, which is .0450/cm^2
Answered by
Nwokeji Esther
2*3.14*5 (5 plus 15)
31.4 (20)
628cm^20th total surface area
31.4 (20)
628cm^20th total surface area
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