Square numbers and square roots

The area of a square is 36 cm². What is the length of one side?

• 9 cm

• 18 cm

• 4 cm

• 6 cm

The area of a square is 64 cm². What is the length of one side?

• 8 cm

• 4 cm

• 32 cm

• 12 cm

The area of a square is 81 in². What is the length of one side?

• 3 in

• 8 in

• 9 in

• 27 in

The area of a square is 4 ft². What is the length of one side?

• 1 ft

• 2 ft

• 3 ft

• 4 ft

The area of a square is 144 cm². What is the length of one side?

• 72 cm

• 22 cm

• 11 cm

• 12 cm

The area of a square is 225 m². What is the length of one side?

• 5 m

• 15 m

• 25 m

• 105 m

 $\sqrt{121}$  

• 11

• 12

• 13

• 14

 $\sqrt{49}$  

• 6

• 7

• 8

• 9

 $\sqrt{196}$  

• 11

• 12

• 13

• 14

 $\sqrt{169}$  

• 11

• 12

• 13

• 14