Question 799844

Given: {{{PQ = 5}}} & {{{QR = 5}}} 
Prove: {{{PR = 10}}}
___________________

if {{{PQ = 5}}} & {{{QR = 5}}} => {{{PQ = QR}}}


if {{{PQ = QR}}} => by definition, {{{Q}}} is the midpoint of {{{PR}}} and

{{{PR=PQ+QR}}}

{{{PR=5+5}}}

{{{PR=10}}}