A square has an area of 9cm2. What is its perimeter?
Solution:
A square with an area of 9cm2 has sides 3cm long (3 x 3 = 9).
The square has 4 sides, each of which is 3cm long, so its perimeter is 4 x 3cm, which is 12 cm.
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A square has an area of 9cm2. What is its perimeter?
Solution:
A square with an area of 9cm2 has sides 3cm long (3 x 3 = 9).
The square has 4 sides, each of which is 3cm long, so its perimeter is 4 x 3cm, which is 12 cm.