Consider the regular octagon below with the center at the origin and a vertex at (4,0). Which of the following transformations carries this polygon onto itself

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

What is the distance between the points 4,10 and -3,-14 on the coordinate plane