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SOLUTION OF TRIANGLE

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
In a triangle, the sum of lengths of two sides is $x$ and the product of the lengths of the same two sides is $y$....
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The angles $A, B$ and $C$ of a triangle $A B C$ are in A.P. and $a: b=1: \sqrt{3}$. If $c=4 \mathrm{~cm}$, then the area...
JEE Main Mathematics Easy
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Q JEE Main 2019
If $5,5 r, 5 r^2$ are the lengths of the sides of a triangle, then $r$ cannot be equal to :
JEE Main Mathematics Easy
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Q JEE MAIN 2019
Given $\frac{b+c}{11}=\frac{c+a}{12}=\frac{a+b}{13}$ for $\triangle A B C$ with usual natation. If $\frac{\cos A}{\alpha}=\frac{\cos B}{\beta}=\frac{\cos C}{12}$, then the ordered triplet $(\alpha$, $\beta, \gamma$ ) has a...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
With the usual notation, in $\triangle A B C$, if $\angle A+\angle B=120^{\circ}, a=\sqrt{3}+1$ and $b=\sqrt{3}-1$, then the ratio $\angle A: \angle B$, is :
JEE Main Mathematics Medium
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Q JEE MAIN 2019
If the lengths of the sides of a triangle are in A.P. and the greatest angle is double the smallest, then a ratio of lengths...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
If in a triangle $A B C, A B=5$ units, $\angle B=\cos ^{-1}\left(\frac{3}{5}\right)$ and radius of circumcircle of $\triangle A B C$ is 5 units,...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
A pole stands vertically inside a triangular park $A B C$. Let the angle of elevation of the top of the pole from each corner...
JEE Main Mathematics Easy
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Q JEE MAIN 2021
Let the centroid of an equilateral triangle ABC be at the origin. Let one of the sides of the equilateral triangle be along the straight...
JEE Main Mathematics Easy
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Q JEE MAIN 2021
Let in a right angled triangle, the smallest angle be $\theta$. If a triangle formed by taking the reciprocal of its sides is also a...
JEE Main Mathematics Medium
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