Question

Finding vector form of an angle bisector in a triangle

score 8k · Answer 1 · 2026-04-13 04:19:54

8k

Views

Finding vector form of an angle bisector in a triangle

Published on 13 Apr 2026 - 4:19

score 76 · Answer 2 · 2026-04-15 00:28:01

76

Views

If $AD=999$ and $PQ=200$, find the sum of the radii of those incircles.

Published on 15 Apr 2026 - 0:28

score 83 · Answer 3 · 2026-04-13 21:08:36

83

Views

Dividing a Triangle by Connecting the Midpoints of its Sides

Published on 13 Apr 2026 - 21:08

score 62 · Answer 4 · 2026-04-11 16:20:52

62

Views

Right triangle trigonometry help?

Published on 11 Apr 2026 - 16:20

score 1.2k · Answer 5 · 2026-04-15 07:13:01

1.2k

Views

Maximum number of equilateral triangles in a circle

Published on 15 Apr 2026 - 7:13

score 175 · Answer 6 · 2026-04-16 03:49:15

175

Views

Is there enough information to answer this question?

Published on 16 Apr 2026 - 3:49

score 328 · Answer 7 · 2026-04-15 21:11:46

328

Views

Prove that $\sin\theta_1.\sin\theta_2.\sin\theta_3=\frac{r^2_1}{16R^2}$

Published on 15 Apr 2026 - 21:11

score 65 · Answer 8 · 2026-04-10 01:41:30

65

Views

Need help proving this geometry problem.

Published on 10 Apr 2026 - 1:41

score 296 · Answer 9 · 2026-04-10 17:41:41

296

Views

Double integral over a triangle

Published on 10 Apr 2026 - 17:41

score 4.6k · Answer 10 · 2026-04-11 23:18:42

4.6k

Views

Finding a coordinate over a right angle in a triangle where the other two coordinates are known

Published on 11 Apr 2026 - 23:18

score 47 · Answer 11 · 2026-04-12 00:58:36

47

Views

Right triangle and Sine function?

Published on 12 Apr 2026 - 0:58

score 129 · Answer 12 · 2026-04-15 12:49:38

129

Views

$R$ is the midpoint of $MN$ and the points where $AC$ intersects $MD$ and $ND$ are $P$ and $Q$, respectively. Show that $PR=QR$.

Published on 15 Apr 2026 - 12:49

score 53 · Answer 13 · 2026-04-10 09:27:58

53

Views

Geometry/Trigonometry Determine angle in a Triangle

Published on 10 Apr 2026 - 9:27

score 455 · Answer 14 · 2026-04-15 22:00:45

455

Views

If the circumcenter of the triangle $ABC$ is on the incircle of the triangle,then prove that $\cos A+\cos B+\cos C=\sqrt2$

Published on 15 Apr 2026 - 22:00

score 108 · Answer 15 · 2026-04-16 15:00:03

108

Views

Show that $a\sin 2\alpha+b\sin 2\beta+c\sin 2\gamma=0$

Published on 16 Apr 2026 - 15:00

List Question

Finding vector form of an angle bisector in a triangle

If $AD=999$ and $PQ=200$, find the sum of the radii of those incircles.

Dividing a Triangle by Connecting the Midpoints of its Sides

Right triangle trigonometry help?

Maximum number of equilateral triangles in a circle

Is there enough information to answer this question?

Prove that $\sin\theta_1.\sin\theta_2.\sin\theta_3=\frac{r^2_1}{16R^2}$

Need help proving this geometry problem.

Double integral over a triangle

Finding a coordinate over a right angle in a triangle where the other two coordinates are known

Right triangle and Sine function?

$R$ is the midpoint of $MN$ and the points where $AC$ intersects $MD$ and $ND$ are $P$ and $Q$, respectively. Show that $PR=QR$.

Geometry/Trigonometry Determine angle in a Triangle

If the circumcenter of the triangle $ABC$ is on the incircle of the triangle,then prove that $\cos A+\cos B+\cos C=\sqrt2$

Show that $a\sin 2\alpha+b\sin 2\beta+c\sin 2\gamma=0$

Trending Questions

Popular # Hahtags

Popular Questions