Question

two circles intersect in a and b and AC and BD are respectively the diameters of the circle prove that cbdr colonyटू सर्कल्स इंटरसेप्ट इन ए एंड बी एंड एसी एंड ए डी आर एक्टिव द डायमीटर ऑफ द सर्कल स्टूडेंट सी बी डी कॉलेज नियर ​

Answer 1

Answer:

Join CB, BD and AB, Since, AC is a diameter of the circle with centre O.

∴ ∠ABC = 90° [angle in semi circle] ---- (i)

Also, AD is a diameter of the circle with center O .

∴ ∠ABD = 90° [angle in semi circle] ---- (ii)

on adding Eqns,  (i) and  (ii) we get 

⇒ ∠ABC +  ∠ABD = 180° 

So. CBD is a straight line.

Hence C, B and D are collinear . Hence proved.

Step-by-step explanation:

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