Bertotarz175id
Answered

If the area of a handkerchief is 225 sq. cm, what is the length of the side?

Sagot :

Jers15id
The formula for the area is:
A=s²

Substitute with the given measurements:
225 cm²=s²
Square root both sides
s=15 cm

It cannot be s=-15 cm because there is no negative length.

Hope this helps =)