- The regular octagon has a perimeter of 122.4 cm. - A regular octagon with a radius of 20 centimeters and a perimeter of 122.4 centimeters if shown. Point X is the center point. Lines X Z and X W are radii. Line X Y is an apothem.
- Which statements about the octagon are true? Select TWO options.
[]The length of segment YZ is 15.3 cm.
[]The measure of the angle formed by the radius and the apothem is 30°.
[]The length of segment XY can be found by solving for a in 202 – 7.652 = a2.
[]The length of segment WZ is 20 cm.
[]The measure of the central angle, ∠ZXW, is 45°.