Question

In $\triangle ABC$ with $D$ on $\overline{AC}$, if $\angle CBD=2\angle ABD$ and the circumcenter lies on $\overline{BC}$, then $AD/DC\neq 1/2$

score 122 · Answer 1 · 2019-01-04 14:37:12

122

Views

In $\triangle ABC$ with $D$ on $\overline{AC}$, if $\angle CBD=2\angle ABD$ and the circumcenter lies on $\overline{BC}$, then $AD/DC\neq 1/2$

Published on 04 Jan 2019 - 14:37

score 673 · Answer 2 · 2026-03-28 13:42:06

673

Views

In $\Delta ABC$ if $(\sqrt{3}-1)a=2b$, $A=3B$, then find $C$

Published on 28 Mar 2026 - 13:42

score 621 · Answer 3 · 2026-03-28 13:41:43

621

Views

How to prove that the midpoint of the given line segment lies on another line segment?

Published on 28 Mar 2026 - 13:41

score 33 · Answer 4 · 2019-01-06 13:17:31

33

Views

Equal sums of surfaces

Published on 06 Jan 2019 - 13:17

score 107 · Answer 5 · 2019-01-06 17:43:03

107

Views

Geometrical problem in Newton's "Principia".

Published on 06 Jan 2019 - 17:43

score 64 · Answer 6 · 2026-03-28 03:33:09

64

Views

Effect of plane isometry on punctured disc

Published on 28 Mar 2026 - 3:33

score 157 · Answer 7 · 2019-01-06 23:25:22

157

Views

Maximizing the area of a cyclic trapezoid whose long base is the circumdiameter. Non-trigonometric solution?

Published on 06 Jan 2019 - 23:25

score 446 · Answer 8 · 2019-01-07 17:58:40

446

Views

Is punctured disc a Lipschitz domain?

Published on 07 Jan 2019 - 17:58

score 3.3k · Answer 9 · 2019-01-07 19:13:20

3.3k

Views

The size of the biggest square that can be inscribed within a circle

Published on 07 Jan 2019 - 19:13

score 606 · Answer 10 · 2026-03-25 12:28:25

606

Views

Construct a quadrilateral, not a parallelogram, in which pair of opposite angles and a pair of opposite sides are equal.

Published on 25 Mar 2026 - 12:28

score 128 · Answer 11 · 2026-03-25 12:26:01

128

Views

Find area of quadrilateral in triangle.

Published on 25 Mar 2026 - 12:26

score 220 · Answer 12 · 2019-01-08 18:34:58

220

Views

Inscribing tangential circle in non-tangential circles

Published on 08 Jan 2019 - 18:34

score 1.8k · Answer 13 · 2019-01-09 02:25:19

1.8k

Views

Why does having alternate interior angles congruent, etc., prove that two lines are parallel?

Published on 09 Jan 2019 - 2:25

score 87 · Answer 14 · 2026-03-27 08:41:35

87

Views

Incircle of a triangle

Published on 27 Mar 2026 - 8:41

score 130 · Answer 15 · 2026-03-29 05:12:25

130

Views

What is the value of $AD+CD$ where $ABC$ is an isosceles triangle, $D$ bisects angle $ACB, BC = 2017$ unit?

Published on 29 Mar 2026 - 5:12

List Question

In $\triangle ABC$ with $D$ on $\overline{AC}$, if $\angle CBD=2\angle ABD$ and the circumcenter lies on $\overline{BC}$, then $AD/DC\neq 1/2$

In $\Delta ABC$ if $(\sqrt{3}-1)a=2b$, $A=3B$, then find $C$

How to prove that the midpoint of the given line segment lies on another line segment?

Equal sums of surfaces

Geometrical problem in Newton's "Principia".

Effect of plane isometry on punctured disc

Maximizing the area of a cyclic trapezoid whose long base is the circumdiameter. Non-trigonometric solution?

Is punctured disc a Lipschitz domain?

The size of the biggest square that can be inscribed within a circle

Construct a quadrilateral, not a parallelogram, in which pair of opposite angles and a pair of opposite sides are equal.

Find area of quadrilateral in triangle.

Inscribing tangential circle in non-tangential circles

Why does having alternate interior angles congruent, etc., prove that two lines are parallel?

Incircle of a triangle

What is the value of $AD+CD$ where $ABC$ is an isosceles triangle, $D$ bisects angle $ACB, BC = 2017$ unit?

Trending Questions

Popular # Hahtags

Popular Questions