Question

Find the interval of the real number and side-length $y$ such that the angle corresponding to it in this triangle is acute without the law of cosines.

score 30 · Answer 1 · 2026-04-15 06:25:47

30

Views

Find the interval of the real number and side-length $y$ such that the angle corresponding to it in this triangle is acute without the law of cosines.

Published on 15 Apr 2026 - 6:25

score 52 · Answer 2 · 2026-04-16 11:29:25

52

Views

Here is this pyramid. Find a specific angle by knowing its base's side and angle, and altitude of the pyramid

Published on 16 Apr 2026 - 11:29

score 45 · Answer 3 · 2026-04-11 08:04:49

45

Views

How to place 4 identical non-overlapping rectangles with corners on 4 randomly preplaced points?

Published on 11 Apr 2026 - 8:04

score 121 · Answer 4 · 2026-04-12 11:43:27

121

Views

Equilateral Triangle by Centroid and Two Points

Published on 12 Apr 2026 - 11:43

score 75 · Answer 5 · 2026-04-13 06:40:54

75

Views

Relationship between steering angle and turning angle from centre of mass of a car

Published on 13 Apr 2026 - 6:40

score 212 · Answer 6 · 2026-04-09 11:32:20

212

Views

Three equal segments on this angle, explanation for solution needed

Published on 09 Apr 2026 - 11:32

score 114 · Answer 7 · 2026-04-16 06:05:14

114

Views

Show that $2\mathrm{AB}+2\mathrm{BC}+2\mathrm{CA}>4\mathrm{AT}+3\mathrm{BT}+2\mathrm{CT}$.

Published on 16 Apr 2026 - 6:05

score 62 · Answer 8 · 2026-04-13 18:04:23

62

Views

A line in $\mathbb{R}^n$ is uniquely determined by two points.

Published on 13 Apr 2026 - 18:04

score 55 · Answer 9 · 2026-04-11 04:45:28

55

Views

Circle construction on quadrilateral (original) problem

Published on 11 Apr 2026 - 4:45

score 41 · Answer 10 · 2026-04-16 11:54:02

41

Views

Altitudes of a rhombus form a rectangle

Published on 16 Apr 2026 - 11:54

score 113 · Answer 11 · 2026-03-22 17:10:27

113

Views

Probability that a line intersect two other lines inside the unit disk.

Published on 22 Mar 2026 - 17:10

score 210 · Answer 12 · 2026-04-14 02:46:20

210

Views

Construct a parallelogram from diagonals and altitude

Published on 14 Apr 2026 - 2:46

score 107 · Answer 13 · 2026-04-14 21:16:35

107

Views

Minimizing $|XA|^3 + |XB|^3 + |XC|^3$ for a triangle $\triangle ABC.$

Published on 14 Apr 2026 - 21:16

score 147 · Answer 14 · 2026-04-09 13:25:36

147

Views

What is the relation between a triangle’s centroid and its pedal triangle?

Published on 09 Apr 2026 - 13:25

score 32 · Answer 15 · 2026-04-13 19:23:49

32

Views

Isosceles triangle with concrete angles

Published on 13 Apr 2026 - 19:23

List Question

Find the interval of the real number and side-length $y$ such that the angle corresponding to it in this triangle is acute without the law of cosines.

Here is this pyramid. Find a specific angle by knowing its base's side and angle, and altitude of the pyramid

How to place 4 identical non-overlapping rectangles with corners on 4 randomly preplaced points?

Equilateral Triangle by Centroid and Two Points

Relationship between steering angle and turning angle from centre of mass of a car

Three equal segments on this angle, explanation for solution needed

Show that $2\mathrm{AB}+2\mathrm{BC}+2\mathrm{CA}>4\mathrm{AT}+3\mathrm{BT}+2\mathrm{CT}$.

A line in $\mathbb{R}^n$ is uniquely determined by two points.

Circle construction on quadrilateral (original) problem

Altitudes of a rhombus form a rectangle

Probability that a line intersect two other lines inside the unit disk.

Construct a parallelogram from diagonals and altitude

Minimizing $|XA|^3 + |XB|^3 + |XC|^3$ for a triangle $\triangle ABC.$

What is the relation between a triangle’s centroid and its pedal triangle?

Isosceles triangle with concrete angles

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