Two circles are of radius 7 cm and 2 cm, their centres being 13 cm apa – McqOptions

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1.	Two circles are of radius 7 cm and 2 cm, their centres being 13 cm apart. Then, the length of direct common tangent to the circles between the points of contact is :
A.	12 cm
B.	15 cm
C.	10 cm
D.	5 cm
Answer» B. 15 cm

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