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Popular >

simplify sqrt(20^2+21^2)

Solution

simplify

2 0^{2} + 2 1^{2}

Solution

29

Solution steps

2 0^{2} + 2 1^{2}

2 0^{2} + 2 1^{2} = 841

= 841

Factor the number:

841 = 2 9^{2}

= 2 9^{2}

Apply radical rule:

a^{2} = a, a \geq 0

2 9^{2} = 29

= 29

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Frequently Asked Questions (FAQ)

What is sqrt(20^2+21^2) ?
The solution to sqrt(20^2+21^2) is 29