alleryস্পৰ্শবিন্দুত এডাল স্পৰ্শক আৰু ব্যাসাৰ্ধৰ মাজৰ কোণ কিমান?
A180°
B60°
C45°
D90°
Answer & Solution
Correct answer: D. 90°
এডাল স্পৰ্শক বৃত্তটোক স্পৰ্শ কৰা বিন্দুলৈ টনা ব্যাসাৰ্ধৰ ওপৰত লম্ব।
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