In the rectangle ABCD below, M is the midpoint of
. If the length of rectangle ABDC is 3 times the width, and the area of triangle AMB is 18, what is the length of
?
A = (7,-4) and B = (-5, 12). If point M is the midpoint of and , then XY = ______.
The midpoint of is (5, -6) and the coordinates of endpoint A are (-1, 2). What are the coordinates of B?
In the following figure, each arc is a semicircle. If S is the midpoint of PQ and Q, the center of the larger semicircle, is the midpoint of PR, by how many times is the area of semicircle PR larger than the area of semicircle PS?
(Note:Figure is not drawn to scale)