Find the ratio of the areas of a circle and an equilateral triangle whose diameter and a side are respectively equal.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.