Add five to each side, then divide each side by 2. you will get 6.5 in the end
Step-by-step explanation:
=99*9/11
- -
_____
=891/11
=81
Because you know the area and that the shape is a square... if the side length is "s"... to find "s" you would say...
s²=1.69
Take the root of both sides and...
s=1.3 km
