List questions from triangles

Published on 26 Mar 2026 - 19:24

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In a triangle $ABC$, $AB = a-b$ and $BC = 2\sqrt{ab}$, then find $\angle B$?

Published on 29 Aug 2016 - 13:59

692

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Generalized Fermat Point

Published on 29 Mar 2026 - 15:23

369

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Triangle Proof Involving The Triangle Inequality

Published on 31 Aug 2016 - 16:24

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$\sqrt{ab}$ + $\sqrt{bc}$ + $\sqrt{ac}$ $\leq$ $ \frac{3}{2}$

Published on 28 Mar 2026 - 20:58

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The value of $|z|^2+|z−3|^2+|z−i|^2$ is minimum when $z$ equals?

Published on 04 Apr 2026 - 14:17

146

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Finding third side of a minimal triangle

Published on 03 Sep 2016 - 10:19

129

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Integral parameter for a triangle with integral area

Published on 31 Mar 2026 - 9:21

55

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Show that the following two angles are equal:

Published on 04 Sep 2016 - 16:31

1.3k

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Triangle and parallel lines, find angle x

Published on 05 Sep 2016 - 1:14

76

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Proof About Triangle Vertices and Area

Published on 05 Sep 2016 - 3:31

414

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Positioning Isosceles Triangle To Create Second Isosceles Triangle

Published on 05 Sep 2016 - 4:18

86

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Two sides of a triangle and the angle in between them are known. How to find the 3rd side?

Published on 05 Sep 2016 - 12:11

300

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Equilateral triangle using complex analysis

Published on 05 Sep 2016 - 16:55

113

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In $\Delta ABC, $ $K$ and $L$ are points on $BC$. $AL$ is the bisector of $\angle KAC$. $KL\times BC=BK\times CL$. Find $\angle BAL$.

Published on 06 Sep 2016 - 16:37

List Question

A beautiful triangle inequality

In a triangle $ABC$, $AB = a-b$ and $BC = 2\sqrt{ab}$, then find $\angle B$?

Generalized Fermat Point

Triangle Proof Involving The Triangle Inequality

$\sqrt{ab}$ + $\sqrt{bc}$ + $\sqrt{ac}$ $\leq$ $ \frac{3}{2}$

The value of $|z|^2+|z−3|^2+|z−i|^2$ is minimum when $z$ equals?

Finding third side of a minimal triangle

Integral parameter for a triangle with integral area

Show that the following two angles are equal:

Triangle and parallel lines, find angle x

Proof About Triangle Vertices and Area

Positioning Isosceles Triangle To Create Second Isosceles Triangle

Two sides of a triangle and the angle in between them are known. How to find the 3rd side?

Equilateral triangle using complex analysis

In $\Delta ABC, $ $K$ and $L$ are points on $BC$. $AL$ is the bisector of $\angle KAC$. $KL\times BC=BK\times CL$. Find $\angle BAL$.

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