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Find the distance between (13,20) and (18,8)?

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13 is the answer?.....?......?

User Iridium
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8.2k points
4 votes
We have to use the distance formula.


\sf~d=√((x_2-x_1)^2+(y_2-y_1)^2)

(13, 20), (18, 8)
x1 y1 x2 y2

Plug in what we know:


\sf~d=√((18-13)^2+(8-20)^2)

Subtract:


\sf~d=√((5)^2+(-12)^2)

Simplify exponents:


\sf~d=√(25+144)

Add:


\sf~d=√(169)

Find the square root:


\sf~d=\boxed{\sf13}
User Marcbest
by
8.1k points

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