উদাহরণ: কোণের অন্তর্সমদ্বিখন্ডক উপপাদ্য

Interactive · 3 questions

ছবিতে দেখতে পাচ্ছ ABCABC একটি ত্রিভুজ। এতে ∠A\angle A-র ঠিক মাঝ বরাবর দাগ টেনে ত্রিভুজটিকে দুই ভাগ করে ফেলা হয়েছে।

বলতে পারো, ADAD-কে কী বলে ডাকা হয়?

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Contest problems often need this idea together with one or two others. That is where understanding goes deeper than memory. These are real problems from the AMC 8, AMC 12 and AIME, the national math competitions for middle and high school students, each with a worked solution on LIVE by Po-Shen Loh.

Interactive · 2 questions

The angle bisector theorem is a formula having to do with a triangle split in half by a line bisecting (halving) one of its interior angles and cutting the opposite side. This formula is the relationship between the line segments created by the angle bisector line and the other two sides.

Which of these statements is true?

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Interactive · 2 questions

Let ABCABC be a triangle for which AB=13AB = 13, AC=14AC = 14, BC=15BC = 15. Let ADAD be the angle bisector of ∠B\angle B. What is AD−DCAD - DC?

Type a concept, like “slope” or “photosynthesis”.

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