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PQ || ST
PQR = 110° , RST = 130° (we got our 1st equation)
Draw MN || PQ (we got our 2nd equation)
MN||ST ( line parallel to same line are also parallel to each other )
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PQR + MRQ = 180° ( co-interior angle)
110° + MRQ = 180°
MRQ = 180°-110°
MRQ = 70°
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RST + NRS = 180° ( co-interior angle)
130° + NRS = 180°
NRS = 180° - 130°
NRS = 50°
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MRQ + QRS + NRS = 180°
70° + QRS + 30° = 180°
QRS + 120° = 180°
QRS = 180° - 120°
QRS = 60°
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tha guy at the top answer ur qeustion
:D hehehhe
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