Which of the following statements is false?
A. If you double the dimensions of a shape, the perimeter doubles.
B. If you multiply the dimensions of a square by ½, the area is one fourth of the original size.
C. If the dimensions of a rectangle are increased by a scale factor of 3 the area increases by a scale factor of 6.
D. If the diameter of a circle is increased by a scale factor of 2 the circumference of that circle doubles.