Square root of 9 plus square root of 84 (√9 + √84)

√9 + √84

Here we'll guide you through the process of calculating the sum of the square root of 9 and the square root of 84. In other words, we'll be calculating √9 + √84.

First, we need to determine the square root of each number individually. Then, we add them together. Here's the step-by-step calculation:

1. Find the square root of 9:
√9 = 3

2. Find the square root of 56:
√84 ≈ 9.16515

3. Add the square root of 34 to the square root of 56:
3 + 9.16515 = 12.16515

Therefore, the result of adding the square root of 9 to the square root of 84 is approximately 12.16515.

√9 + √84 ≈ 12.16515

For your convenience, we've also expressed the result in its simplest radical form:

3 + 2√21

Adding Square Roots
Use the tool below to find the sum of another set of square roots.

Square root of 9 plus square root of 85
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