List questions from triangles

Published on 19 Feb 2018 - 9:48

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Isoceles Triangle Problem

Published on 19 Feb 2018 - 12:37

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A line intersecting two sides of triangle is not parallel to third side.

Published on 19 Feb 2018 - 18:34

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radius of circle tangent to sphere which obscures that sphere

Published on 19 Feb 2018 - 21:19

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How to find the circumcenter of a triangle and the length of the corresponding radius of the circle in $\mathbb{R}^3$

Published on 20 Feb 2018 - 8:57

155

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Deriving the formula for velocities of gravitational slingshots using trigonometry

Published on 24 Mar 2026 - 23:46

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How to approach similar triangles problems?

Published on 21 Feb 2018 - 15:45

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A problem involving similar triangles

Published on 21 Feb 2018 - 15:49

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Complex Numbers: Triangle and Centroid

Published on 25 Mar 2026 - 3:41

77

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Find $\cos2B+\cos2C$ in a triangle

Published on 22 Feb 2018 - 18:08

171

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If $\bar{AD}=r\bar{AB}$ and $\bar{AE}=r\bar{AC}$, is $\bar{DE}\parallel\bar{BC}$?

Published on 23 Feb 2018 - 18:52

841

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Lower Bound of Inner Product if norms are bounded

Published on 23 Feb 2018 - 23:56

140

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Prove similarity of triangles

Published on 23 Mar 2026 - 7:23

713

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Find a distance based on height and angles towards base and top of an object?

Published on 24 Mar 2026 - 23:46

2.8k

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A rhombus is inscribed in triangle ABC

Published on 24 Feb 2018 - 16:26

List Question

Finding the length of one side of a triangle

Isoceles Triangle Problem

A line intersecting two sides of triangle is not parallel to third side.

radius of circle tangent to sphere which obscures that sphere

How to find the circumcenter of a triangle and the length of the corresponding radius of the circle in $\mathbb{R}^3$

Deriving the formula for velocities of gravitational slingshots using trigonometry

How to approach similar triangles problems?

A problem involving similar triangles

Complex Numbers: Triangle and Centroid

Find $\cos2B+\cos2C$ in a triangle

If $\bar{AD}=r\bar{AB}$ and $\bar{AE}=r\bar{AC}$, is $\bar{DE}\parallel\bar{BC}$?

Lower Bound of Inner Product if norms are bounded

Prove similarity of triangles

Find a distance based on height and angles towards base and top of an object?

A rhombus is inscribed in triangle ABC

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