Question

A rectangle has a long side of 8.5 cm length. Its perimeter is 24cm Work out the length of the shorter sides

Answer 1

x=3.5

Explanation:

Perimeter: 8.5+8.5+2x=24

Simplifying we get: 17+2x=24

Subtracting 17 we get: 2x=7

Dividing by 2 we get: x=3.5