What is the length of AB? √53 5 2√10 2√6

asked Nov 13, 2018 104k views

4 votes

What is the length of AB?

√53
5
2√10
2√6

8.2k points

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$\sqrt{ {4}^(2) + {6}^(2) } = 2 √(13)$

$\sqrt{ {(2 √(13) )}^(2) + {1}^(2) } = √(53)$
The answer is

√(53)

using pythagoras' theorem

Gbin answered Nov 19, 2018