Question

For $\triangle ABC$ with right angle at $A$ and inradius $r$, show that $2r=b+c-a$

score 110 · Answer 1 · 2026-04-03 18:55:41

110

Views

For $\triangle ABC$ with right angle at $A$ and inradius $r$, show that $2r=b+c-a$

Published on 03 Apr 2026 - 18:55

score 97 · Answer 2 · 2020-01-31 16:02:37

97

Views

The ratio of $\triangle ABH : \triangle ADH$

Published on 31 Jan 2020 - 16:02

score 166 · Answer 3 · 2020-02-01 06:23:15

166

Views

Find point of tangency.

Published on 01 Feb 2020 - 6:23

score 152 · Answer 4 · 2020-02-01 14:08:42

152

Views

Angle Bisector Theorem (2)

Published on 01 Feb 2020 - 14:08

score 669 · Answer 5 · 2026-04-03 18:59:10

669

Views

Perimeter of a triangle with an angle of $120^\circ$ and sides in arithmetic progression

Published on 03 Apr 2026 - 18:59

score 1.4k · Answer 6 · 2026-03-28 13:42:12

1.4k

Views

Expectation and variance of the squared distance between $X$ and $Y$

Published on 28 Mar 2026 - 13:42

score 80 · Answer 7 · 2020-02-02 14:01:38

80

Views

Triangle inscribed in a square thales

Published on 02 Feb 2020 - 14:01

score 108 · Answer 8 · 2026-03-26 06:34:51

108

Views

The name for planar graph where the position of vertices and shape of the edges matter

Published on 26 Mar 2026 - 6:34

score 321 · Answer 9 · 2026-03-25 23:09:07

321

Views

$\angle BAC=25$, $\angle BCA=20$, $\angle BDC = 50$, $\angle BDA = 40$, $AC$ and $BD$ intersect at $P$, what is $\angle CPD$?

Published on 25 Mar 2026 - 23:09

score 111 · Answer 10 · 2026-04-02 06:46:44

111

Views

Non-orthogonal projection of line segment

Published on 02 Apr 2026 - 6:46

score 325 · Answer 11 · 2020-02-03 17:01:13

ABCD is a parallelogram a point is taken inside it and vertices are joined to it angle are marked as given in diagram find unknown angle

score 108 · Answer 12 · 2020-02-04 09:30:31

108

Views

Projection of the dipole moment on the spherical unit vectors.

Published on 04 Feb 2020 - 9:30

score 1.2k · Answer 13 · 2026-04-04 07:53:20

1.2k

Views

An extension of the determinant to non square matrices

Published on 04 Apr 2026 - 7:53

score 907 · Answer 14 · 2026-04-03 20:34:44

907

Views

Incenter and circumcenter of triangle ABC collinear with orthocenter of MNP, tangency points of incircle

Published on 03 Apr 2026 - 20:34

score 560 · Answer 15 · 2026-04-03 20:36:13

560

Views

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

Published on 03 Apr 2026 - 20:36

List Question

For $\triangle ABC$ with right angle at $A$ and inradius $r$, show that $2r=b+c-a$

The ratio of $\triangle ABH : \triangle ADH$

Find point of tangency.

Angle Bisector Theorem (2)

Perimeter of a triangle with an angle of $120^\circ$ and sides in arithmetic progression

Expectation and variance of the squared distance between $X$ and $Y$

Triangle inscribed in a square thales

The name for planar graph where the position of vertices and shape of the edges matter

$\angle BAC=25$, $\angle BCA=20$, $\angle BDC = 50$, $\angle BDA = 40$, $AC$ and $BD$ intersect at $P$, what is $\angle CPD$?

Non-orthogonal projection of line segment

ABCD is a parallelogram a point is taken inside it and vertices are joined to it angle are marked as given in diagram find unknown angle

Projection of the dipole moment on the spherical unit vectors.

An extension of the determinant to non square matrices

Incenter and circumcenter of triangle ABC collinear with orthocenter of MNP, tangency points of incircle

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

Trending Questions

Popular # Hahtags

Popular Questions