Two circles with their centres at O and P and radii 8 cm and 4 cm resp – McqOptions

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1.	Two circles with their centres at O and P and radii 8 cm and 4 cm respectively touch each other externally. The length of their common tangent is
A.	8.5 cm.
B.	8
C.	cm.
D.	8 cm.
Answer» D. 8 cm.

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