Which statements about the octagon are true? Choose two correct answers.

The radius, apothem, and half of a side form a right triangle. Using a radius of 20 cm and a half-side of 7.65 cm, the apothem XY is found from 20² − 7.65² = XY², so statement A is true. A regular octagon has 8 equal central angles, so angle ZXW measures 360° ÷ 8 = 45°, making statement C true.

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