Question

Determine the measure of angle QVR

Answer 1

angles across from each other at a junction, are vertical angles and therefore equal, meaning

`\bf \measuredangle SVT=\measuredangle QVR\implies x^2+14x+5=x^2+15x+1\implies \boxed{4=x} \\\\\\ \measuredangle QVR=(4)^2+15(4)+1\implies 77`