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sir twocircles of radii 5cmand 3cm intersect at two points and distance between their centres is 4cm.find the length of the common ch.ord

sir twocircles of radii 5cmand 3cm intersect at two points and distance between their centres is 4cm.find the length of the common ch.ord

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2 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

I can help get you started.

circles

C is the centre of the circle on the right and B is the midpoint of the line joining the centres. By the symmetry angle ABC is a right angle. The length of CA is 5 cm and the length of BC is 1/2 (5√2) cm. Use Pythagoras theorem to find the length of AB.

 

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

Fawz Naim
37 Points
13 years ago

 

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