3
Euclid.
It is an obtuse [angled] triangle.
It is an obtuse triangle
None but a triangular based pyramid has 4 nets
If it is a quadrilateral it cannot be "not a quadrilateral"!
quadrilateral
A series of transformations on quadrilateral S resulted in quadrilateral T. The angles of quadrilateral S and T are congruent but the sides of quadrilateral T are twice as long as quadrilateral S. Which transformation on quadrilateral S must be included to result in quadrilateral T * sorry thats the full question!
A quadrilateral is a polygon with four sides. A rectangle is a quadrilateral
It is an inscribed quadrilateral or cyclic quadrilateral.
A quadrilateral based pyramid.A quadrilateral based pyramid.A quadrilateral based pyramid.A quadrilateral based pyramid.
i think you call it a irregular quadrilateral