Rounding Square Roots

The area of the square is 515 ft².

What is the length of the sides?

Round to the whole number

Round the square root of 10 to the nearest tenth.

• 5.6

• 4.1

• 2.8

• 3.2

Round the square root of 20 to the nearest tenth.

• 5.0

• 4.0

• 4.5

• 3.0

Round the square root of 30 to the nearest tenth.

• 4.5

• 6.5

• 7.5

• 5.5

Evaluate √72. Round your answer to the nearest tenth.

• 8.48

• 8.6

• 8.4

• 8.5

Estimate the square root of 50 to the nearest whole number.

• 7

• 6

• 8

• 9

Estimate the square root of 75 to the nearest whole number.

• 9

• 10

• 12

• 7

Estimate the square root of 90 to the nearest whole number.

• 10

• 9

• 8

• 11

Find √50. Round your answer to the nearest tenth.

• 7.2

• 6.9

• 7.1

• 7

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11