SOLUTION: Émile creates a mosaic with (0.4x) cm square tiles. It should cover a disc of x cm radius and a rectangle of (2x) cm by (8x) cm. What is the minimum number of tiles needed?

Question 1185992: Émile creates a mosaic with (0.4x) cm square tiles. It should cover a disc of x cm radius and a rectangle of (2x) cm by (8x) cm.
What is the minimum number of tiles needed?

Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.

This problem is nice for kindergarten.

Draw a circle of the radius of 10 cm on the paper and distribute among the children.

Cut many squares with the sides of 4 cm from the paper and distribute among the children.

Then give them this assignment.

They will work on it the entire day and will be happy.

Or, if you have nothing to do, you may play this game on your own,
instead of attracting children from kindergarten.

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