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nehal helal Grade:
        

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

6 years ago

Answers : (2)

SAGAR SINGH - IIT DELHI
879 Points
										

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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Sagar Singh


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6 years ago
Fawz Naim
37 Points
										

 


269_22392_scan0003.jpg

6 years ago
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