Question

How can I prove mathematically that $(u+v+w)/3$ represents the centroid of the triangle formed by these vectors?

score 81 · Answer 1 · 2026-04-15 20:51:06

81

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How can I prove mathematically that $(u+v+w)/3$ represents the centroid of the triangle formed by these vectors?

Published on 15 Apr 2026 - 20:51

score 101 · Answer 2 · 2026-04-14 15:18:05

101

Views

The sum of the measures of the angles formed at the tips of a star.

Published on 14 Apr 2026 - 15:18

score 23 · Answer 3 · 2026-04-13 13:38:31

23

Views

Equation of a plane determined by a point and $2$ vectors

Published on 13 Apr 2026 - 13:38

score 77 · Answer 4 · 2026-04-13 17:29:30

77

Views

Finding minimal distance between two curves using AM-GM inequality

Published on 13 Apr 2026 - 17:29

score 148 · Answer 5 · 2026-04-10 03:25:08

148

Views

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Published on 10 Apr 2026 - 3:25

score 44 · Answer 6 · 2026-04-14 09:34:35

44

Views

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Published on 14 Apr 2026 - 9:34

score 68 · Answer 7 · 2026-04-09 11:19:55

68

Views

Equation of sphere

Published on 09 Apr 2026 - 11:19

score 41 · Answer 8 · 2026-04-15 12:50:23

41

Views

Doubt regarding distance between parabola and a line(coordinate geometry)

Published on 15 Apr 2026 - 12:50

score 102 · Answer 9 · 2026-04-11 21:27:34

102

Views

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Published on 11 Apr 2026 - 21:27

score 828 · Answer 10 · 2026-05-04 16:49:32

828

Views

Ellipse equation equal to zero, how to define foci?

Published on 04 May 2026 - 16:49

score 443 · Answer 11 · 2026-04-10 12:34:28

443

Views

Midpoint of a line segment passing through two points.

Published on 10 Apr 2026 - 12:34

score 30 · Answer 12 · 2026-04-15 04:15:45

30

Views

Why don't these two normal vectors have a 0 or a 180 degree angle between them when graphed?

Published on 15 Apr 2026 - 4:15

score 220 · Answer 13 · 2026-04-13 13:38:27

220

Views

Pictorial representation of a tangent plane to a right circular cone

Published on 13 Apr 2026 - 13:38

score 364 · Answer 14 · 2026-04-13 23:44:07

364

Views

Cylinder between two circles in $\mathbb{R}^3$

Published on 13 Apr 2026 - 23:44

score 40 · Answer 15 · 2026-04-15 11:18:29

40

Views

Find coordinates in 3rd quadrant given distance of $0.08$ from origin where $x$ and $y$ are the same value

Published on 15 Apr 2026 - 11:18

List Question

How can I prove mathematically that $(u+v+w)/3$ represents the centroid of the triangle formed by these vectors?

The sum of the measures of the angles formed at the tips of a star.

Equation of a plane determined by a point and $2$ vectors

Finding minimal distance between two curves using AM-GM inequality

Finding an alternate solution to a plane-geometry problem.

Finding intersections of a cubic polynomial with a hyper sphere

Equation of sphere

Doubt regarding distance between parabola and a line(coordinate geometry)

A question about the oriented angle of two lines

Ellipse equation equal to zero, how to define foci?

Midpoint of a line segment passing through two points.

Why don't these two normal vectors have a 0 or a 180 degree angle between them when graphed?

Pictorial representation of a tangent plane to a right circular cone

Cylinder between two circles in $\mathbb{R}^3$

Find coordinates in 3rd quadrant given distance of $0.08$ from origin where $x$ and $y$ are the same value

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