# Maths

A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7}

1. Do you know the difference between pi and pie?

posted by Ms. Sue
2. sorry my mistake

posted by Anita
3. :-) It's a common mistake.

Here's the formula.

A=2πrh+2πr2

Can you plug in your numbers?

posted by Ms. Sue
4. i am not sure

posted by Anita
5. Give it a try, please.

posted by Ms. Sue
6. A = (2 * pi * r * h) + (2 * pi * r^2)

posted by Ms. Sue
7. I want to learn

posted by mikailu

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