Question

Find the distance BB’

Answer 1

Let's say BB' = a

2^2 + 1^2 = a^2

4 + 1 = a^2

a^2 = 5

a = √5

So the distance of BB' is √5

Answer 2

The distance of BB' is √5.

What is the distance formula?

Learn how to apply the Pythagorean theorem to find the distance between two points using the distance formula. The Pythagorean theorem can be rewritten as d=(((x₂-x ₁)²+(y ₂-y ₁)²) to calculate the separation between any two locations.

Let's say BB' = a

2² + 1² = a²

4 + 1 = a²

a² = 5

a = √5

So the distance of BB' is √5

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