In the applet above right triangle ABC is drawn with a 72° angle. For right triangles with an angle of 72°, the ratio of the side opposite the 72° angle opp compared to the hypotenuse is . If the hypotenuse, BC, has a length of 100, what is the length of the side opposite the 72° angle? AC =

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.