Two circles C1 and C2 touch each other internally at P. Two lines PCA – McqOptions

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1.	Two circles C₁ and C₂ touch each other internally at P. Two lines PCA and PDB meet the circles C₁ in C, D and C₂ in A, B respectively. If BDC = 120 , then the value of ABP is equal to
A.	60
B.	80
C.	100
D.	120
Answer» B. 80

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