Question

Analytic Geometry proof of orthogonality in triangle geometry

score 626 · Answer 1 · 2026-03-31 17:19:01

626

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Analytic Geometry proof of orthogonality in triangle geometry

Published on 31 Mar 2026 - 17:19

score 256 · Answer 2 · 2026-03-31 17:20:26

256

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How do the Cartesian axes and planes look like in $n$-dimensions where $n \geq 4$?

Published on 31 Mar 2026 - 17:20

score 443 · Answer 3 · 2016-11-03 14:43:57

443

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How prove this $BC$ always passes through a fixed point with $\frac{x^2}{4}+y^2=1$

Published on 03 Nov 2016 - 14:43

score 69 · Answer 4 · 2016-11-03 17:18:37

69

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Why do lines with slope further away from 0 bunch together?

Published on 03 Nov 2016 - 17:18

score 74 · Answer 5 · 2016-11-03 19:58:18

74

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Write the equation of a line as the intersection of two planes

Published on 03 Nov 2016 - 19:58

score 197 · Answer 6 · 2016-11-04 06:30:34

197

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I Conjecture the line $BC$ always passes through a fixed point with $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

Published on 04 Nov 2016 - 6:30

score 543 · Answer 7 · 2026-03-28 22:37:28

543

Views

Flow (surface integral) over spherical triangle.

Published on 28 Mar 2026 - 22:37

score 65 · Answer 8 · 2016-11-04 20:48:51

65

Views

Slopes and lines

Published on 04 Nov 2016 - 20:48

score 456 · Answer 9 · 2016-11-05 07:28:43

456

Views

Coordinate of point $C$ on the line So that Perimeter of a $\triangle ABC$ is minimum

Published on 05 Nov 2016 - 7:28

score 544 · Answer 10 · 2016-11-06 16:10:29

544

Views

Different forms for line equations $Ax + By + C = 0$

Published on 06 Nov 2016 - 16:10

score 1.3k · Answer 11 · 2016-11-06 18:47:36

1.3k

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Finding the distance between two points on the same tangent line

Published on 06 Nov 2016 - 18:47

score 92 · Answer 12 · 2026-04-05 22:15:50

92

Views

Ellipse equation

Published on 05 Apr 2026 - 22:15

score 30 · Answer 13 · 2016-11-07 13:28:00

30

Views

If A=(-1,3) B=(2,7) P=(x,y). Derive an equation for the set C={P:|AP|=alpha|BP|} and show that it is a circle.

Published on 07 Nov 2016 - 13:28

score 215 · Answer 14 · 2026-04-01 00:41:25

215

Views

How did Descartes know what sort of a curve an equation traces?

Published on 01 Apr 2026 - 0:41

score 157 · Answer 15 · 2016-11-08 08:48:17

157

Views

Scalar product and geometric interpretation of formula

Published on 08 Nov 2016 - 8:48

List Question

Analytic Geometry proof of orthogonality in triangle geometry

How do the Cartesian axes and planes look like in $n$-dimensions where $n \geq 4$?

How prove this $BC$ always passes through a fixed point with $\frac{x^2}{4}+y^2=1$

Why do lines with slope further away from 0 bunch together?

Write the equation of a line as the intersection of two planes

I Conjecture the line $BC$ always passes through a fixed point with $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

Flow (surface integral) over spherical triangle.

Slopes and lines

Coordinate of point $C$ on the line So that Perimeter of a $\triangle ABC$ is minimum

Different forms for line equations $Ax + By + C = 0$

Finding the distance between two points on the same tangent line

Ellipse equation

If A=(-1,3) B=(2,7) P=(x,y). Derive an equation for the set C={P:|AP|=alpha|BP|} and show that it is a circle.

How did Descartes know what sort of a curve an equation traces?

Scalar product and geometric interpretation of formula

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