Question

Solution for system of Law of cosines?

score 171 · Answer 1 · 2018-04-29 12:00:56

171

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Solution for system of Law of cosines?

Published on 29 Apr 2018 - 12:00

score 639 · Answer 2 · 2026-03-25 04:39:31

639

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What is the angle between the median and the bisector?

Published on 25 Mar 2026 - 4:39

score 218 · Answer 3 · 2026-03-22 12:17:58

218

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NLP maximizing the area of the triangular area?

Published on 22 Mar 2026 - 12:17

score 39 · Answer 4 · 2018-05-01 17:32:59

39

Views

Prove that for any triangle: $(a-b) \cos \hat{C} = c(\cos\hat{B}-\cos \hat{A}) \Rightarrow a = b , \hat{A} = \hat{B}$

Published on 01 May 2018 - 17:32

score 375 · Answer 5 · 2026-03-25 06:00:35

375

Views

"Physical" proof that the medians are concurrent

Published on 25 Mar 2026 - 6:00

score 525 · Answer 6 · 2018-05-02 23:06:00

525

Views

Triangle - What is the length of the hypotenuse?

Published on 02 May 2018 - 23:06

score 1k · Answer 7 · 2026-03-25 04:41:12

1k

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Find distance from center of equilateral triangle to edge in given angle

Published on 25 Mar 2026 - 4:41

score 181 · Answer 8 · 2026-03-25 06:04:55

181

Views

find the angle in a triangle with angles $ 20^{\circ}, 70^\circ, 90^\circ $

Published on 25 Mar 2026 - 6:04

score 379 · Answer 9 · 2018-05-04 14:19:17

379

Views

In a triangle ABC if $B-C = \frac\pi 4$ and .......... What will be the value of $\frac {a+b+c}{a}$

Published on 04 May 2018 - 14:19

score 81 · Answer 10 · 2018-05-05 13:22:29

81

Views

If $a_i$ are not necessarily distinct real & $1<a_i<13$ for all $i$.Show that we can choose three of them such that they are lengths of a triangle

Published on 05 May 2018 - 13:22

score 49 · Answer 11 · 2018-05-06 09:24:22

49

Views

Area of a triangle formed by distances between vertices of a given triangle and an arbitrary point

Published on 06 May 2018 - 9:24

score 105 · Answer 12 · 2026-03-25 10:33:15

105

Views

Spheric trigonometry - large circle on earth (sphere)

Published on 25 Mar 2026 - 10:33

score 1.3k · Answer 13 · 2018-05-07 15:33:27

1.3k

Views

If the internal angle bisectors of $\triangle ABC$ meet its circumcircle at $D$, $E$, $F$, then what is the area of $\triangle DEF$?

Published on 07 May 2018 - 15:33

score 137 · Answer 14 · 2018-05-08 06:56:38

137

Views

Determinant involvoing sides and angles of a triangle

Published on 08 May 2018 - 6:56

score 698 · Answer 15 · 2018-05-08 22:14:49

698

Views

When to use Proof by Contradiction (with an example)

Published on 08 May 2018 - 22:14

List Question

Solution for system of Law of cosines?

What is the angle between the median and the bisector?

NLP maximizing the area of the triangular area?

Prove that for any triangle: $(a-b) \cos \hat{C} = c(\cos\hat{B}-\cos \hat{A}) \Rightarrow a = b , \hat{A} = \hat{B}$

"Physical" proof that the medians are concurrent

Triangle - What is the length of the hypotenuse?

Find distance from center of equilateral triangle to edge in given angle

find the angle in a triangle with angles $ 20^{\circ}, 70^\circ, 90^\circ $

In a triangle ABC if $B-C = \frac\pi 4$ and .......... What will be the value of $\frac {a+b+c}{a}$

If $a_i$ are not necessarily distinct real & $1<a_i<13$ for all $i$.Show that we can choose three of them such that they are lengths of a triangle

Area of a triangle formed by distances between vertices of a given triangle and an arbitrary point

Spheric trigonometry - large circle on earth (sphere)

If the internal angle bisectors of $\triangle ABC$ meet its circumcircle at $D$, $E$, $F$, then what is the area of $\triangle DEF$?

Determinant involvoing sides and angles of a triangle

When to use Proof by Contradiction (with an example)

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