Question

17. DEFG is a square. Find the value
of x.

Answer 1

x = 3

Explanation:

All the angles of a square are 90°

The diagonals bisect the angles , then

5x² = 45 ( divide both sides by 5 )

x² = 9 ( take the square root of both sides )

x =
`√(9)` = 3