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Afina-wow [57]
3 years ago
8

A square has a side length 9cm. What is its area in square centimeters? A square has a side length 9cm2. What is its area in squ

are centimeters?

Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Answer:

Step-by-step explanation:

A.

Given parameter:

  Side length  = 9cm

Unknown;

Area of the square  = ?

Solution:

The shape given is a square.

 Area of a square  = L²

 L is the side length

  Insert the parameters and solve;

     Area of the square  = 9²  = 81cm²

B.

Given parameters:

Area of the square = 9cm²

Unknown:

Side length  = ?

Solution:

The shape is a square;

  Area of a square  = L²

         9  = L²

          L = √9 = 3cm

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3 years ago
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\boxed{ \bold{9 \:  +  \:  \sqrt{7} }}

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