In ΔPQR, ∠P : ∠Q : ∠R = 2 : 2 : 5. A line parallel to QR is drawn which touches PQ and PR at A and B respectively. What is the value of ∠PBA - ∠PAB?

In ΔPQR, ∠P : ∠Q : ∠R = 2 : 2 : 5. A line parallel to QR is dra

1.	In ΔPQR, ∠P : ∠Q : ∠R = 2 : 2 : 5. A line parallel to QR is drawn which touches PQ and PR at A and B respectively. What is the value of ∠PBA - ∠PAB?
A.	60
B.	30
C.	24
D.	36
Answer» B. 30

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In ΔPQR, ∠P : ∠Q : ∠R = 2 : 2 : 5. A line parallel to QR is drawn which touches PQ and PR at A and B respectively. What is the value of ∠PBA - ∠PAB?

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