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Geometry.
Of course, they are geometric figures.
A square belongs to the group of 4 sided quadrilaterals
geometry
Trigonometry is a branch of geometry which is primarily concerned with the properties and measurement of triangles.
There are 180 degrees in a triangle and 360 degrees in a quadrilateral and its diagonal cuts the quadrilateral into two triangles.
All triangles have 3 interior angles that add up to 180 degrees and the 4 interior angles of a quadrilateral add up to 360 degrees but if 2 of its vertices are joined by a diagonal this marks out 2 interior triangles each having 3 interior angles adding to 180 degrees.
Well...... Actually, planes would be considered triangles in geometry because triangles are triangles.
Tangent, in geometry, is used to describe when figures have only one point in common. In Trig. tangent is applied to triangles.
Of course, they are geometric figures.
Geometry.
Yes they are polygons as they have more than 1 side.
A square belongs to the group of 4 sided quadrilaterals
Trigonometry is a branch of geometry which is primarily concerned with the properties and measurement of triangles.
geometry
geometry
A quadrilateral is a parallelogram if and only if its diagonals bisect each other (this should be in any geometry book)