What 7 concepts are covered in the Bretschneiders Formula Calculator?
area
Number of square units covering the shape
bretschneiders formula
Alternative formula to determine the area of a quadrilateral A = sqrt[(s - a)(s - b)(s - c)(s - d) - abcd · cos2(0.5(α + y))]
geometry
study of math dealing with shapes, space, and properties of space
perimeter
The distance around a shape or object
quadrilateral
Polygon with 4 edges/sides and 4 corners/vertices
semi-perimeter
half the perimeter of a polygon s = P/2
trigonometry
Trigonometry studies relationships between side lengths and angles of triangles. The word trigonometry comes from the Greek word trigonon which means triangle and metron which means measure