Question

A soup can has a diameter of 8cm and a height of 10cm.

a. calculate the area of metal needed to construct the can.

b. calculate the area of the label of the can.

Answer 1

A)This means the total surface area

Which has the formula: 2πr(r+h)

radius =4cm

TSA=π×2×4(4+10)

TSA=112πcm²

B)This means the curved surface area

Which has the formula 2πrh

CSA=π×2×4×10

CSA=80πcm²