Question

Problem with 2 similar right-angled triangles

score 45 · Answer 1 · 2018-10-03 12:02:34

45

Views

Problem with 2 similar right-angled triangles

Published on 03 Oct 2018 - 12:02

score 253 · Answer 2 · 2018-10-04 07:42:58

253

Views

Proving that one of the angles is twice the other

Published on 04 Oct 2018 - 7:42

score 189 · Answer 3 · 2018-10-06 12:45:48

189

Views

Geometry: Proof related to right angled isosceles triangle

Published on 06 Oct 2018 - 12:45

score 60 · Answer 4 · 2026-03-25 04:40:52

60

Views

how to get the center of moved equilateral triangle according to endpoints displacement?

Published on 25 Mar 2026 - 4:40

score 953 · Answer 5 · 2026-03-27 11:43:42

953

Views

perfect right-triangles that are not super-perfect

Published on 27 Mar 2026 - 11:43

score 211 · Answer 6 · 2018-10-08 00:31:32

211

Views

Is there an elementary method of finding this missing angle?

Published on 08 Oct 2018 - 0:31

score 410 · Answer 7 · 2018-10-08 19:19:50

410

Views

Distance between the Orthocenter and the Lemoine Point (Symmedian Point)

Published on 08 Oct 2018 - 19:19

score 184 · Answer 8 · 2026-03-25 19:10:37

184

Views

Find value of angle B

Published on 25 Mar 2026 - 19:10

score 1k · Answer 9 · 2026-03-25 22:04:30

1k

Views

Show that $A^2 +B^2+C^2=D^2$ using the following diagram (tetrahedron)

Published on 25 Mar 2026 - 22:04

score 2.7k · Answer 10 · 2018-10-11 14:47:18

2.7k

Views

Easy proof of the intercept theorem.

Published on 11 Oct 2018 - 14:47

score 90 · Answer 11 · 2018-10-11 16:23:30

90

Views

Inscribed circle with concurrent chords

Published on 11 Oct 2018 - 16:23

score 100 · Answer 12 · 2018-10-12 13:54:39

100

Views

pedal circle passes through the anti steiner point?

Published on 12 Oct 2018 - 13:54

score 156 · Answer 13 · 2018-10-12 22:47:24

156

Views

Find an angle in a geometric figure (given) considering triangles

Published on 12 Oct 2018 - 22:47

score 120 · Answer 14 · 2018-10-13 03:36:20

120

Views

Area of the shaded section involving triangles in a square

Published on 13 Oct 2018 - 3:36

score 1.2k · Answer 15 · 2026-03-27 00:05:58

1.2k

Views

If $\sin\alpha+\sin\beta+\sin\gamma=\cos\alpha+\cos\beta+\cos\gamma=0$, then find the values of $\sum \sin^2 \alpha$ and $\sum \cos^2 \alpha$.

Published on 27 Mar 2026 - 0:05

List Question

Problem with 2 similar right-angled triangles

Proving that one of the angles is twice the other

Geometry: Proof related to right angled isosceles triangle

how to get the center of moved equilateral triangle according to endpoints displacement?

perfect right-triangles that are not super-perfect

Is there an elementary method of finding this missing angle?

Distance between the Orthocenter and the Lemoine Point (Symmedian Point)

Find value of angle B

Show that $A^2 +B^2+C^2=D^2$ using the following diagram (tetrahedron)

Easy proof of the intercept theorem.

Inscribed circle with concurrent chords

pedal circle passes through the anti steiner point?

Find an angle in a geometric figure (given) considering triangles

Area of the shaded section involving triangles in a square

If $\sin\alpha+\sin\beta+\sin\gamma=\cos\alpha+\cos\beta+\cos\gamma=0$, then find the values of $\sum \sin^2 \alpha$ and $\sum \cos^2 \alpha$.

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