A theme park wants to know which new ride option is the most appealing to costumers . . Which samplin Method produces an unbiased , representive smaple of the population? A. Survey 100 randomly selected parents in the theme park.
B. Survey every 30th costumer to enter the theme park.
C. Survey the first 80 teenagers to enter the theme park.
D. Survey the first 250 costumers in line for the theme park in August.

Explanation is in the file

tinyurl.com/wpazsebu

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine