Let Q be the quadrilateral whose vertices are (0,0), (3,0), (2,2) and (0,1).
What's the length of sides and diagonals of Q?
(the Pythagorean theorem may be useful)
What's the size of the internal angles of Q?
(the ArcTan function may be useful)
What's the area of Q?
(Pick's theorem may be useful)
6 days ago