Triangles q r p and x y z are congruent. angle p q r is 72 degrees. the lengths of sides a p and p r are 2.5 inches. angle x y z is 36 degrees. the length of side x y is 1.4 inches. what is the perimeter of δyxz? 3.5 in. 5.3 in. 6.4 in. 7.8 in.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Are the corresponding angles congruent? explain why or why not.

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities