Find the length of the segment. round to the nearest tenth of a unit Q(-3,5) R(2,3)

1 answer:

4 0

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
Q&({{ -3}}\quad ,&{{ 5}})\quad 
% (c,d)
R&({{ 2}}\quad ,&{{ 3}})
\end{array}\qquad 
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
QR=\sqrt{[2-(-3)]^2+[3-5]^2}\implies QR=\sqrt{(2+3)^2+(3-5)^2}
\\\\\\
QR=\sqrt{5^2+(-2)^2}\implies QR=\sqrt{25+4}\implies QR=\sqrt{29}$

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