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Sanskriti141:
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firstly do,
construction: draw a line RA parallel to ST and PQ
Now, ST // RA and SR is transversal .
so, <TSR + < SRA = 180°
< SRA = 50°
then, PQ // RA and QR is a transversal
so, < PQR= <QRA
< PQR = < QRS + < SRA
110°= 50° + < QRS
<QRS= 60°
construction: draw a line RA parallel to ST and PQ
Now, ST // RA and SR is transversal .
so, <TSR + < SRA = 180°
< SRA = 50°
then, PQ // RA and QR is a transversal
so, < PQR= <QRA
< PQR = < QRS + < SRA
110°= 50° + < QRS
<QRS= 60°
thnx
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thank you
np
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