Question

The diagonal of a square is 27 cm long. The diagonal of a smaller square is 12 cm long. What is the difference between the lengths of these two diagonals?

Answer 1

length of big square

$\sqrt{27} = 5.2$

length of small square

$\sqrt{12 } = 3.5$

difference between length of two square

=5.2-3.5

=1.7