2 years ago

A square has an area of 9 cm². Find its perimeter

Mathematics

2 answers:

dlinn [17]2 years ago

8 0

Answer:

Step-by-step explanation:

area is base x height. 3×3 is 9. all sides of a square are equal so 3+3+3+3= the perimeter which is 12.

NeTakaya2 years ago

4 0

Answer:

Step-by-step explanation:

A square having an area of 9 cm² means it’s side lengths must be equal to √9 which is 3 now to find the perimeter we multiply 3 by 4 as a square has 4 sides:

3×4=12

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