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Square root of 116

√116 ≈ 10.7703. The square root of 116 is about 10.7703, which simplifies to 2√29. 116 is not a perfect square, so √116 is irrational: its decimals never end or repeat.

√116 at a glance.
Value10.77032961
Rounded10.8 (1 dp) · 10.77 (2 dp) · 10.770 (3 dp)
Simplest radical form2√29
Perfect square?No — between 10² = 100 and 11² = 121
116 squared13,456

Estimating √116 in your head

Start from the nearest perfect square, 11² = 121. 116 is 5 less than that. Divide the difference by twice the root, 22, and subtract it:

√116 ≈ 11 − 5 ÷ 22 ≈ 10.773

The true value is 10.7703, so the one-step estimate is off by about 0.002. The estimate always comes out slightly high, and it is closest when 116 is near a perfect square. The method is explained in estimating square roots in your head.

Simplifying √116

Find the largest perfect square that divides 116: it is 4, since 116 = 4 × 29. Take its root outside: √116 = √4 × √29 = 2√29.

Frequently asked questions

What is the square root of 116?

The square root of 116 is about 10.7703, which simplifies to 2√29. 116 is not a perfect square, so √116 is irrational: its decimals never end or repeat.

Is 116 a perfect square?

No. It lies between 10² = 100 and 11² = 121.

What is √116 in simplest radical form?

√116 = √(4 × 29) = 2√29.

Practise estimating square roots

Nearby: √115 · √117 · all square roots to 150