Question

Find the length of a diagonal of a square of side 3 cm.​

Answer 1

Answer:

a perimeter is also known as a length

perimeter(length)

□□□□□□□□□□

picture of square

side of one square is 3 cm

square has equal sides

so 3cm×4cm = 12 m

Area

(L×B)

3cm×3cm

9m

Answer 2

Answer: 3/√2 cm or 2•121 cm

Step-by-step explanation:

As the side of square = 3 cm

And we know

Diagonal = side / √2

So diagonal of this square = 3/√2 cm

= 3/1•414 cm = 2•121 cm

Hope it helps ^_^

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