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- A circle with a circumference of 133.2 cm is centered at the vertex of an angle. The rays of the angle subtend an arc that is 21.09 cm long. The arc subtended by the angle's rays is ______% of the circumference of the circle. Since an angle that makes a full rotation measures 360 degrees, the measure of the angle in degrees must be ______.Shoe 1# Average angle: 15.17 Shoe #2 Average angle: 19.33A statue 4 meters high is standing on a base of 5 meters high. If an observer's eye is 2.0 meters above the ground, how far (in meters) should he stand from the base in order that the angle subtended by the statue is a maximum? (Note: Illustrations must be included in the solution and round off final answer to 2 decimal places.)