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3. A square has area 9 cm². How long are its sides? A. 3 cm B. 4.5 cm C. 9 cm D. 81 cm
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3. A square has area 9 cm². How long are its sides?

A. 3 cm
B. 4.5 cm
C. 9 cm
D. 81 cm

User Charlb
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3.6k points

1 Answer

6 votes
To know the sides, take root of area, root of 9 = 3,
Hence sides are 3 cm long, option A
User Diann
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