Length of angle bisector in terms of sides.
88283
Proving the length of angle bisector
155636
Cross product of two vectors, given magnitudes and angle
64827
maximum area of a rectangle inscribed in a semi - circle with radius r.
111075
Deriving of formula for finding the length of median
38396
If $AD$, $BE$, $CF$ are exterior bisectors then $D,E,F$ are collinear
62826
The concurrence of angle bisector, median, and altitude in an acute triangle
112896
Construct the triangle with given angle bisectors
142097
Finding the dimension of the orthogonal complement
130470
Find the angle ADE of the given triangle.
59500
Area of an irregular polygon using side lengths
11338
How to find the circumcenter of a triangle and the length of the corresponding radius of the circle in $\mathbb{R}^3$
113983
Finding out an arc's radius by arc length and endpoints
151502
Finding the inverse of the arc length function
120196
An angle inside a regular pentagon
94434
Minimum area of the parallelepiped surface
35438
Ordering $n$ points in $\Bbb{R}^d$ so that every three consecutive points determine an acute angle
90056
A synthetic geometrical proof required on a result regarding Isosceles triangles.