If one side of a square notebook measures 20 cm, what is the area of the front cover of the notebook? 40 cm2 80 cm2 200 cm2 400 cm2

Area is defined as a product of sides when we talk about squares.

The area of the front cover of notebook is 400 centimetres squared.

Hope this helps.

r3t40

0.02040816326

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.