Points X and Y lie on circle P so that PX is 5 meters and the measure of XPY is 90. Find the length of arc XY to the nearest hundredth
PX is the radius.......and the measure of the arc length =
(1/4) * 2 * pi * radius = pi /2 * ( 5 m) ≈ (5/2)pi m ≈ 7.85 m
+23 
