Answer:

The area of handkerchief is 625cm²

Step-by-step explanation:

Given:

• s= 25cm

Ask:

• area of the (square) handkerchief or A?

Formula:

• Area=Side×Side
• A=S×S
• A=S²

Solution:

• A=S×S

=25cm×25cm

A=625cm²

Note: like to my previous note, don't forget the unit of square (cm). If you forget this your answer will eventually wrong.

thanks me later

Answer:

Equation: A=s²

Solution: A=(25cm)²

Answer: A=625cm²