Geometryx - Android APK

https://play.google.com/store/apps/details?id=com.famobix.geometryx&hl=en

The application calculates an area, perimeter, circumference, diagonal length, volume, coordinates of the geometric centroid, height, side lenght, angle (acute, right, obtuse, straight, reflex), radius (inner, outer), edges, arc length, line segments, base area, lateral surface area and total surface area of three-dimensional geometric shapes.
Geometryx is a simple calculator using trigonometric functions, Pythagorean theorem and Thales' theorem.