New posts in geometry

What's the power of point $P $ in relation to the center the circumference $O2$?

Make a upside down triangle in java

Quadrilateral Finite Elements must be convex and not self-intersecting. But why?

Does the golden angle produce maximally distant divisions of a circle?

How can I draw a perpendicular plane to a plane in Geogebra?

Have you seen this golden ratio construction before with three squares (or just two) and circle ?Geogebra gives PHI or 1.6180.. exactly

$n$-dimensional rotation along a 2D arbitrary plane

What is the volume of the region $S =\{(x, y, z) : |x| + |y| + |z| ≤ 1\}$?

Medians of a triangle and similar triangle properties

Recognizing a fiber product of schemes

Definition of a shadow in space, and how to derive a shadow for a given shape

Find a point $X$, in the plane of regular pentagon $ABCDE$, that minimizes $\frac{XA+XB}{XC+XD+XE}$.

What is the name of the quadrilateral shape described by two radii and two arcs?

How do I find a point a given distance from another point along a line?

Question regarding basis vectors of root reference frame...

Difficult Recurrence

Trapezoids - Which definition has a stronger case?

Geometric representation of the sum of a Geometric Series

How can I create an internal spiral for a polygon?

A very small disc winds around a larger circular disc of radius $R$ connected to it by a string. How long is the spiral it travels?