The 4 one plzz answer
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Answer:
42
Step-by-step explanation:
In triangle QRS
y=x+21. (exterior angle) say 1st eqn
angle. PRS=SRT (GIVEN) SAY 2 EQN
SINCE ANGLE PRT=PRS+SRT
PRT=PRS+PRS.
PRT=2PRS
PRT=2Y
PRT=2(X+21). FROM 1
PRT=2X+42
IN TRIANGLE PQR
PRT=QPR+PQR
2X+42=QPR+2X
QPR=42
YOUR DOUBTS
PQR=X+X=2X. GIVEN
HOPE THIS HELPS YOU
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