Question

How to calculate coordinates of the intersection between the altitude and the base in a triangle.

score 576 · Answer 1 · 2018-12-30 01:37:57

576

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How to calculate coordinates of the intersection between the altitude and the base in a triangle.

Published on 30 Dec 2018 - 1:37

score 456 · Answer 2 · 2026-03-27 07:12:11

456

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Problem of three circles

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score 2.1k · Answer 3 · 2018-12-30 10:27:50

2.1k

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Two sides of a triangle are $\sqrt{3}+1$ and $\sqrt{3}-1$ and the included angle is $60^{\circ}$. Find other angles

Published on 30 Dec 2018 - 10:27

score 133 · Answer 4 · 2026-03-25 03:24:07

133

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Variation of the sum of distances

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score 113 · Answer 5 · 2019-01-01 06:11:23

113

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score 1.9k · Answer 6 · 2019-01-01 22:48:00

1.9k

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Show that base is twice the height if base angles of a triangle are $22.5^\circ$ and $112.5^\circ$

Published on 01 Jan 2019 - 22:48

score 8.3k · Answer 7 · 2019-01-02 02:48:37

8.3k

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Published on 02 Jan 2019 - 2:48

score 219 · Answer 8 · 2019-01-03 01:40:11

219

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Possible lengths of an altitude of a triangle

Published on 03 Jan 2019 - 1:40

score 2.2k · Answer 9 · 2026-03-25 01:15:24

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score 118 · Answer 10 · 2019-01-04 12:23:10

118

Views

In $\Delta ABC$, find $\cot\dfrac{B}{2}.\cot\dfrac{C}{2}$ if $b+c=3a$

Published on 04 Jan 2019 - 12:23

score 87 · Answer 11 · 2019-01-04 16:37:11

87

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prove $a,b,c$ in A.P if $\tan\dfrac{A}{2}=\dfrac{5}{6}$ and $\tan\dfrac{C}{2}=\dfrac{2}{5}$

Published on 04 Jan 2019 - 16:37

score 672 · Answer 12 · 2019-01-04 21:21:11

672

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

Published on 04 Jan 2019 - 21:21

score 620 · Answer 13 · 2019-01-06 06:29:29

620

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

Published on 06 Jan 2019 - 6:29

score 136 · Answer 14 · 2026-03-26 01:09:37

136

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Published on 26 Mar 2026 - 1:09

score 128 · Answer 15 · 2026-03-25 12:26:01

128

Views

Find area of quadrilateral in triangle.

Published on 25 Mar 2026 - 12:26

List Question

How to calculate coordinates of the intersection between the altitude and the base in a triangle.

Problem of three circles

Two sides of a triangle are $\sqrt{3}+1$ and $\sqrt{3}-1$ and the included angle is $60^{\circ}$. Find other angles

Variation of the sum of distances

Proving that a triangle is isosceles.

Show that base is twice the height if base angles of a triangle are $22.5^\circ$ and $112.5^\circ$

Finding the area of an isosceles right triangle given its hypotenuse

Possible lengths of an altitude of a triangle

Prove triangle area formula for barycentric coordinates

In $\Delta ABC$, find $\cot\dfrac{B}{2}.\cot\dfrac{C}{2}$ if $b+c=3a$

prove $a,b,c$ in A.P if $\tan\dfrac{A}{2}=\dfrac{5}{6}$ and $\tan\dfrac{C}{2}=\dfrac{2}{5}$

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?

Finding percentage increase of area

Find area of quadrilateral in triangle.

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