14. Which of the following statements about an equilateral triangle is NOT true?A. It has 3 congruent sides.B. It has 3 congruent angles.C. It has 3 diagonals.D. It has 3 vertices.15. Which is the measure of each interior angle of a regular decagon?A. 144°B. 180°C. 156°D. 360°16. Which is the measure of an exterior angle of a regular octagon?A. 36°B. 45°C. 90°D. 180°17. How many sides does a polygon have if its interior angle measures add up to 6,120°A. 14B. 25C. 36D. 4718. What is the measure of each interior angle of a regular 18-sided polygon?A. 22.5°B. 85°C. 157.5°D. 160°19. Which of the following statements is NOT true when the number of sides of a polygonincreases?A. The number of vertices increases.B. The number of diagonals increases.C. The sum of the interior angle measures increases.D. The sum of the exterior angle measures increases.20. Which of the following statements is true if two angles are complementary?A. They are both acute.B. One is acute and one is right.C. One is acute and one is obtuse.D.One is right and one is obtuse.23. WhA.24. WA25. WForA21. Which of the following statements about vertical angles is NOT true?A. They are formed by intersecting lines.B. They are adjacent.C.They are congruent.D.They are of equal measure.22. Which of the following statements is ALWAYS FALSE?A. Adjacent angles are supplementary.B. Angles that form a linear pair are complementary.C. Congruent angles are supplementary.D. Adjacent angles are congruent.
Answer (1)
Answer:14. C. It has 3 diagonals. 15. A. 144°16. A. 36°17. C. 3618. C. 157.5°19. D. The sum of the exterior angle measures increases.20. A. They are both acute.21. B. They are adjacent.22. B. Angles that form a linear pair are complementary. PLEASE READ THIS! ⇩PLEASE DO NOT DELETE MY ANSWER LAST TIME SOMEONE DELETE IT!
