Maths

posted by Anita

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. Ms. Sue

    Do you know the difference between pi and pie?

  2. Anita

    sorry my mistake

  3. Ms. Sue

    :-) It's a common mistake.

    Here's the formula.

    A=2πrh+2πr2

    Can you plug in your numbers?

  4. Anita

    i am not sure

  5. Ms. Sue

    Give it a try, please.

  6. Ms. Sue

    A = (2 * pi * r * h) + (2 * pi * r^2)

  7. mikailu

    I want to learn

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