If one side of a square notebook measures 20 cm, what is the area of the front cover of the notebook?

2 answers:

fgiga [73]3 years ago

6 0

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

6 0

Answer:

400 cm

Step-by-step explanation:

You might be interested in

bazaltina [42]

$$ −\frac{7}{10} \div\frac{2}{5}= \frac{-7}{4} $$ . totally answer. I hope helping with this answer

3 0

3 years ago

densk [106]

Answer:

2950

Step-by-step explanation:

3 0

2 years ago

padilas [110]

X/9=1

Multiply both sides by 9. So x=9.

6 0

4 years ago

geniusboy [140]

I not that good with math but I would say C.

3 0

3 years ago

spayn [35]

The answer is 1 and 5

3 0

2 years ago