Question

The length of the diagonal of a square is 8 cm, how long are the sides of the square?

Answer 1

5.66

Explanation:

The sides of a square are equal. Let's call the length

x

Use Pythagoras' Theorem.

Square the sides and add them together....

x

2

+

x

2

=

8

2

2

x

2

=

64

x

2

=

64

2

=

32

x

=

√

32

x

=

4

√

2

x

=

5.66