solve this briefly by explaining all reasons and steps plz....
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(¡) angle PQR = 90
angle SQT=angleTQR=45 ( QT bisect angle )
ST//QR
.•. angle RQT=STQ= 45 ( alternate interior angle)
angle QTS+ angle TQS +angle QST = 180
45+45+angle QST=180
angle QST= 180-90
= 90
(¡¡)angle PRQ= 70
angle RTS +angle PRQ= 180
( co interior)
angle RTS = 180-70=110
angle RTS = angle QTR+angle STQ
110= angle QTR+ 45
angle QRT = 110-45
= 65
it's best answer and correct also.
angle SQT=angleTQR=45 ( QT bisect angle )
ST//QR
.•. angle RQT=STQ= 45 ( alternate interior angle)
angle QTS+ angle TQS +angle QST = 180
45+45+angle QST=180
angle QST= 180-90
= 90
(¡¡)angle PRQ= 70
angle RTS +angle PRQ= 180
( co interior)
angle RTS = 180-70=110
angle RTS = angle QTR+angle STQ
110= angle QTR+ 45
angle QRT = 110-45
= 65
it's best answer and correct also.
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