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Help me on this question please

Help me on this question please-example-1
User Michalsx
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Because PQRS is a parallelogram, you know that
2x-1=y-1 and
3y-11=x+4. (This is because PT and TR are congruent, and the same goes for ST and TQ.)

Writing the equations in standard form, you have


\begin{cases}2x-y=0\\x-3y=-15\end{cases}

Solving this system gives
x=3 and
y=6. So,


PT=TR=5

ST=TQ=7
User Akalenuk
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