The perimeter of a rectangle is 60 centimeters. The base is 2 times the height. What are the dimensions of the rectangle?
a.
h = 9cm, b = 18 cm
c.
h = 10 cm, b = 20 cm
b.
h = 19 cm, b = 38 cm
d.
h = 10 cm, b = 15 cm