What is a decimal? A decimal is a type of fraction in which: Possible answers:
A. The numerator is always 100
B. The denominator is always 100
C. Denominator is a power of 10
D. Numerator is a power of 10

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).