Construct a triangle given 2 sides and the radius of the inscribed circle (Euclidean geometry)
62126
Constructing a triangle given 2 sides and the inscribed circle's radius
121084
Right triangles and tangent lines
88283
Proving the length of angle bisector
37056
A Polygon is inscribed in a circle $\Gamma$
154864
Finding the radius of a third tangent circle
52122
Find an angle of an isosceles triangle
111903
An inequality for sides of a triangle
129161
The minimum perimeter and maximum height of a triangle under constraints
99202
What is the number of triangles with integer sides, given the length of the longest side?
27954
Prove triangle inequality using the properties of absolute value
76001
Construct a fourth circle tangent to 3 circles forming a tangency chain
115677
Prove the equality of circle's areas
95136
Finding center and radius of circumscribed triangle
83119
Compass-and-straightedge construction of the square root of a given line?
10772
Equilateral triangle inscribed in a ellipse
87206
Prove that a triangle can be inscribed in the hyperbola $xy=c^2$ whose sides touch the parabola $y^2=4ax$.
157660
proof $a$ ,$b$ and $c$ can be sides of a triangle