1. work out the area of a circle with radius 7.5 cm. take (pie) to be 3.142 and give your answer to 2 decimal places. 2. a semicircle has radius 8.2 cm. work out the area of the semicircle. take (pie) to be 3.142 and give your answer to 1 decimal place.

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.