Subject
Quantitative Aptitude
Topic
Circles
OA and OB are two tangents drawn in circle ABC from exterior angle O. Therefore-
OA and OB are two tangents drawn in circle ABC from exterior angle O. Therefore-
ক)
OA ⊥ OBখ)
OA || OBগ)
OA = OBঘ)
OA ≠ OBExplanation
এখানে, O হলো বৃত্ত ABC-এর বাইরের একটি বিন্দু। OA এবং OB হলো O বিন্দু থেকে বৃত্তের A এবং B বিন্দুতে টানা দুইটি স্পর্শক। জ্যামিতির এই নিয়ম অনুসারে, স্পর্শক দুইটি দৈর্ঘ্যে সমান হবে। অতএব, OA = OB.Related questions
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