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Gre4nikov [31]
3 years ago
12

Jocelyn was asked to draw a square with an area of 20 cm2. Which could be the side length of the square? I. 20 cm II. 5 cm III.

4.5 cm​
Mathematics
1 answer:
Paladinen [302]3 years ago
5 0

Answer:

The correct option is III: 4.5 cm.

Step-by-step explanation:

The area of a square is the following:

A = b^{2}    (1)

Where:

A: is the area

b: is the side of the square

We have that the area is 20 cm², hence by solving equation (1) for <em>b</em> we can find the side:

b = \sqrt{A} = \sqrt{20 cm^{2}} = 4.5 cm

Therefore, the correct option is III: 4.5 cm.

I hope it helps you!

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