Question

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

score 36 · Answer 1 · 2019-10-30 06:40:29

36

Views

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

Published on 30 Oct 2019 - 6:40

score 118 · Answer 2 · 2019-12-01 23:49:34

118

Views

A problem about equilateral triangle

Published on 01 Dec 2019 - 23:49

score 343 · Answer 3 · 2019-12-22 01:50:28

343

Views

Square inscribed in a right triangle problem

Published on 22 Dec 2019 - 1:50

score 897 · Answer 4 · 2019-12-23 16:52:06

897

Views

For regular tetrahedron $ABCD$ with center $O$, and $\overrightarrow{NO}=-3\overrightarrow{MO}$, is $NA+NB+NC+ND\geq MA+MB+MC+MD$?

Published on 23 Dec 2019 - 16:52

score 124 · Answer 5 · 2019-12-26 03:15:11

124

Views

Finding angle $x$, a geometry question

Published on 26 Dec 2019 - 3:15

score 173 · Answer 6 · 2020-01-14 13:04:24

173

Views

Find locus of Q of an equalateral triangle APQ with A fixed and P moving along a line

Published on 14 Jan 2020 - 13:04

score 559 · Answer 7 · 2020-02-05 09:55:15

559

Views

Find angle in triangle $ABC$ with cevian line $AD$, such that $AB=CD$.

Published on 05 Feb 2020 - 9:55

score 742 · Answer 8 · 2020-02-20 22:47:57

742

Views

Calculating transformation matrix for perspective transform

Published on 20 Feb 2020 - 22:47

score 235 · Answer 9 · 2020-02-24 08:13:26

235

Views

mapping low dimensional space to high dimensional space injectively?

Published on 24 Feb 2020 - 8:13

score 133 · Answer 10 · 2026-03-17 19:04:23

133

Views

Olympiad math problem - Show that a pair of lines is parallel

Published on 17 Mar 2026 - 19:04

score 75 · Answer 11 · 2020-03-05 20:37:25

75

Views

Proof regarding a parallelogram and a given line segment parallel to its side

Published on 05 Mar 2020 - 20:37

score 673 · Answer 12 · 2026-03-25 11:34:13

673

Views

Prove that H is orthocentre of ABC using inversion

Published on 25 Mar 2026 - 11:34

score 58 · Answer 13 · 2020-03-29 10:37:26

58

Views

Question about an elementary geometric construction

Published on 29 Mar 2020 - 10:37

score 324 · Answer 14 · 2020-04-03 17:10:52

324

Views

Prove that the line $XY$ goes through a fixed point where $X,Y$ are on fixed conic so that $\angle XPY = 90$ where $P$ is fixed on the conic.

Published on 03 Apr 2020 - 17:10

score 252 · Answer 15 · 2020-04-17 14:20:08

252

Views

relative transformation of coordinates on a flat surface

Published on 17 Apr 2020 - 14:20

List Question

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

A problem about equilateral triangle

Square inscribed in a right triangle problem

For regular tetrahedron $ABCD$ with center $O$, and $\overrightarrow{NO}=-3\overrightarrow{MO}$, is $NA+NB+NC+ND\geq MA+MB+MC+MD$?

Finding angle $x$, a geometry question

Find locus of Q of an equalateral triangle APQ with A fixed and P moving along a line

Find angle in triangle $ABC$ with cevian line $AD$, such that $AB=CD$.

Calculating transformation matrix for perspective transform

mapping low dimensional space to high dimensional space injectively?

Olympiad math problem - Show that a pair of lines is parallel

Proof regarding a parallelogram and a given line segment parallel to its side

Prove that H is orthocentre of ABC using inversion

Question about an elementary geometric construction

Prove that the line $XY$ goes through a fixed point where $X,Y$ are on fixed conic so that $\angle XPY = 90$ where $P$ is fixed on the conic.

relative transformation of coordinates on a flat surface

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