Question

A cardboard of length 15cm and breadth 12cm is to be cut into squares of equal sizes with no paper left over. What is the length of side of the largest square possible?

Answer 1

9514 1404 393

Answer:

3 cm

Explanation:

The largest possible square will have a dimension that is the greatest common factor of 12 and 15. That number is 3.

The largest square is 3 cm.

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The paper will be cut into 5 squares lengthwise and 4 squares across.