What is the distance around triangle tats has sides measuring 2 1/8 feet, 3 1/2 feet, 2 1/2 feet?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

What is the radius of the cone in the diagram? round your answer to the nearest whole number