63.4k views
3 votes
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

User Bryony
by
5.4k points

2 Answers

3 votes

Answer:

400 cm

Explanation:

User Roy Ashbrook
by
5.8k points
2 votes

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


A=a\cdot a=20\cdot20=\boxed{400}

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

Hope this helps.

r3t40

User Twalters
by
6.1k points