Math, asked by answer3036, 1 year ago

three circles with centre A,B,C respectively touch eachother externally.if AB=5 cm, BC= 7cm and CA=6 cm,then find the radius with centre a

Answers

Answered by Anchal5860

20

if we add AB+BC+CA
=5+6+7
=18 cm
so radius will be half of it that is 9cm

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