Give me answer to the first question with explanation......
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Step-by-step explanation:
angle QRA = 25°...... alternate exterior angle ...
angle CQR = 180 -25 = 155°
angle QRB = 155° ....alternate exterior angle ...
angle PQD = 180 - 60 = 120 °
angle PQD = angle ARS .... alternate exterior angle..
angle ARS = 120°
angle ARQ =angle. RQD .....alternate exterior angle ...
angle RQD = 25°
then ...
angle QRS = angle ARS + angle RQD
then ....
angle QRS = 120 + 25 = 145°
hence ....
angle QRS = 145°
hope you understand ....
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