An arc of circle M has length 32π centimeters and the corresponding central angle has a radian measure of 8/9π . What is the radius of the circle? The radius of the circle is ___centimeters.

How do i solve using pythagorean theorem?

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.