Convex Quadrilateral A quadrilateral bounded by a simple curve and in which all the interior angles are salient angles. /p> A=(1/2)ab sina

## Torus-Geometry Formulas

Torus A 3D shape made by revolving a small circle (radius r) along a line made by a bigger circle (radius R). Property: It can be made by revolving…

## Frustum or right Circular cone-Geometry Formulas

Frustum or right Circular cone Frustum of a right circular cone is that portion of right circular cone included between the base and a section parallel to the base…

## Cuboid-Geometry Formulas

Cuboid A cuboid is a three-dimensional shape has six, rectangle-shaped sides. Cuboid also have eight vertices (corners) and twelve edges. The angles in a cuboid are all right angles. Face…

## Circle-Geometry Formulas

Circle A circle is a particular shape of the objects. A circle is a type of closed shape. It is the set of all points in a plane that are…

## Sphere-Geometry Formulas

Sphere A sphere is a three dimensional version of a circle, like a basketball or a marble. The definition of a sphere is "every point that is the same distance…

## Cylinder-Geometry Formulas

Cylinder A cylinder is a three-dimensional shape with two round shapes at either end and two parallel lines connecting the round ends. Bases are always parallel and congruent to each…

## Cone -Geometry Formulas

Cone A cone is a three-dimensional figure with one circular base. A curved surface connects the base and the vertex. Slant Height The distance from the top of a cone,…

## Trapezoid-Geometry Formulas

Trapezoid A trapezoid is a quadrilateral with one pair of parallel sides. So, this four-sided polygon is a plane figure and a closed shape. It has four line segments and…

## Parallelogram-Geometry Formulas

Parallelogram A parallelogram is a special type of quadrilateral that has equal and parallel opposite sides. The perimeter of a parallelogram: 1. Formula of parallelogram perimeter in terms of sides:…