Webr1 Q.84 If r1, r2, r3 be the radii of excircles of the triangle ABC, then is equal to : r1r2 A A B A A (A) cot 2 (B) cot 2 cot 2 (C) tan 2 (D) tan 2 Q.85 Minimum value of 8cos2x + 18sec2x x R wherever it is defined, is : Webr1=2r2=3r3 Then r1/6=r2/3=r3/2 =k using ratios Hence r1=6k, r2=3k r3=2k Hence using the property of solution of trianle the required triangle is equilateral. Please feel free to ask …
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WebBest Answer. 100% (4 ratings) pl …. View the full answer. Transcribed image text: Calculate the equivalent resistance Req of the network shown below if R1 = 2R2 = 3R3 = 4R4 etc. and R11 = 6 ohm Req =. Previous question Next question. WebDec 25, 2024 · If r1, r2, r3 are the radii of the escribed circles of a triangle ABC and r is the radius of its in-circle then the root(s) asked Dec 25, ... If r1 = 2r2 = 3r3 then a+ b + c is equal to. asked Dec 25, ... jee mains +1 vote. 1 answer. In an equilateral triangle r:R:r1 is. asked Dec 25, 2024 in Trigonometry by SudhirMandal (53.8k points ... biography english lesson
In a ABC if r1 = 2r2 = 3r3 then which are correct? - Toppr
WebSolution The correct option is D 191 60 Solving for a b + b c + c a in a triangle where r 1 = 2 r 2 = 3 r 3: Step 1: Given information r 1 = 2 r 2 = 3 r 3 w h e r e r 1, r 2 a n d r 3 are ex-circles. … WebMar 19, 2024 · This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience … WebJun 27, 2016 · Note that all three terms contained above are positive, as while first two terms are squares and hence positive, third term is positive as sine of angles #A# and #B# is positive (as they are less than #pi# being angles of a triangle) and #(1-sinC)# too will be positive as #sinC<1#. daily cash box template