The incircle of \( \triangle A B C \) touches side \( B C \) at \( ...

Channel:
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=ZnNQV5KW3YE



Duration: 2:28
6 views
0


The incircle of \( \triangle A B C \) touches side \( B C \) at \( D \). The difference between \( B D \) and \( C D \) ( \( R \) is circumradius of \( \triangle A B C \) ) is
\( \mathrm{P} \)
(1) \( \left|4 R \sin \frac{A}{2} \sin \frac{B-C}{2}\right| \)
(2) \( \left|4 R \cos \frac{A}{2} \sin \frac{B-C}{2}\right| \)
W
(3) \( |b-c| \)
(4) \( \left|\frac{b-c}{2}\right| \)
šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2023-03-21Sum of an infinite G.P. is 2 and sum of its first two terms \( \mat...
2023-03-21The distances of incentre of the right-angled triangle \( A B C \) ...
2023-03-21Circumradius of \( \triangle A B C \) is \( 3 \mathrm{~cm} \) and i...
2023-03-21Points \( D, E \) are taken on the side \( B C \) of an acute angle...
2023-03-21The inradius in a right angled triangle with integer sides is \( r ...
2023-03-21In \( \triangle A B C \), if \( b(b+c)=a^{2} \) and \( c(c+a)=b^{2}...
2023-03-21Let \( O \) be a point inside \( \triangle A B C \) such that \( \a...
2023-03-21Let the area of triangle \( A B C \) be \( (\sqrt{3}-1) / 2, b=2 \)...
2023-03-21In \( \triangle A B C, I \) is the incentre. Area of \( \triangle I...
2023-03-21If inside a big circle exactly \( n(n \geq 3) \) small circles, eac...
2023-03-21The incircle of \( \triangle A B C \) touches side \( B C \) at \( ...
2023-03-21If the angles of a triangle are \( 30^{\circ} \) and \( 45^{\circ} ...
2023-03-21In the given figure, \( A B \) is the diameter of the circle, cente...
2023-03-21In a right-angled isosceles triangle, the ratio of circumradius and...
2023-03-21In triangle \( A B C \), let \( \angle C=\pi / 2 \). If \( r \) is ...
2023-03-21In \( \triangle A B C, A=\frac{2 \pi}{3}, b-c=3 \sqrt{3} \mathrm{~c...
2023-03-21In \( \triangle A B C,\left(\cot \frac{A}{2}+\cot \frac{B}{2}\right...
2023-03-21In the given figure, what is the radius of the inscribed semicircle...
2023-03-21In \( \triangle A B C, P \) is an interior point such that \( \angl...
2023-03-21In any triangle \( A B C, \frac{a^{2}+b^{2}+c^{2}}{R^{2}} \) has th...
2023-03-212. For \( x \in(0, \pi) \), the equation \( \sin x+2 \sin 2 x-\sin ...



Tags:
pw