Do the area of the circle as a whole minus (72/360 x radius^2) and then minus the other grey area.
I think its GI. Could be HJ too. Here's a little reminder about intersecting, parallel, and perpendicular lines...
Given that <span>Henry divided the town into eight regions and randomly chose 10 households from each region in order to survey about traffic concerns. This type of sample is called</span> stratified sampling.
Stratified sampling<span> is a type of </span>sampling <span>method where</span><span> the researcher divides the population into separate groups, called strata and then, a probability </span>sample<span> (often a simple random </span>sample<span> ) is drawn from each group.</span>
Answer:
B...........................................................
