# Geometry Practice Test

Test your skills with this plane geometry practice exam. Whether you are studying for a school exam or just looking to challenge your geometry skills, this test will help you assess your knowledge.

 1. Two flat surfaces intersect to form a(n) _______________. a. plane b. point c. line d. corner
 2. A flat surface is a(n) ____________. a. plane b. line c. point d. area
 3. Two lines intersect to form a(n) _______________. a. line b. plane c. corner d. point
 4. Two points determine a(n) ____________. a. plane b. straight line c. curved line d. infinity
 5. There are only a finite number of lines that can be drawn through a given point. True False
 6. A midpoint ____________ a line segment. a. crosses b. cuts through c. bisects d. joins
 7. Which of the following is the point where an angle originates? a. bisector b. vertex c. side d. obtuse
 8. Lines that form right angles are called _________________. a. obtuse b. supplementary c. perpendicular d. bisector
 9. A pair of angles having a sum equal to a straight angle are supplementary. True False
 10. An angle that is less than a straight angle but greater than a right angle is a(n) ____________ angle. a. acute b. exterior c. obtuse d. opposite
 11. The term "oblique" can _____________ be used to describe a right angle. a. always b. sometimes c. never
 12. The size of an angle is determined by ____________________. a. the length of the sides of the angle b. the amount of rotation of the sides c. none of the above
 13. 1 /360 of a circle is equal to ________ degree(s). a. 1 b. 2 c. 3 d. 4
 14. The sum of the angles of a triangle is equal to ______________. a. 90 degrees b. 180 degrees c. 190 degrees d. 360 degrees
 15. The compliment of a 37 degree angle is ______________. a. 8 degrees b. 143 degrees c. 323 degrees d. 53 degrees
 16. A triangle with no two sides equal is __________________. a. scalene b. equiangular c. isosceles d. right
 17. A triangle with two sides equal is _________________. a. scalene b. equiangular c. isosceles d. hypotenuse
 18. A right triangle may also be obtuse. True False
 19. An angle with 90 degrees is _____________. a. an oblique angle b. an obtuse angle c. a reflex angle d. none of the above
 20. If two lines are perpendicular, they form at the point of intersection _________________. a. actue angles b. right angles c. obtuse angles d. none of the above
 21. If the sum of two angles is an obtuse angle, at least one of the angles must be _______________. a. acute b. right c. obtuse d. none of the above
 22. An obtuse triangle may have only one obtuse angle. True False
 23. The distance around a circle is the __________________. a. radius b. diameter c. chord d. circumference
 24. A geometric statement that is not self-evident but proved by a chain of reasoning is a(n) _______________. a. corollary b. thesis c. theorem d. hypothesis
 25. A statement of beginning facts about lines, angles, figures and other matters to be used in a proof is known as the ________________. a. given b. reasons c. analysis
 26. The definitions, axioms and theorems used to support each statement in a formal two column proof are called the __________________. a. given b. reasons c. analysis d. corollary
 27. A geometric statement that is easily deduced from a theorem is a corollary. True False
 28. The arc that represents one quarter of a circle is called a(n)_______________. a. auxillary b. diameter c. semicircle d. quadrant
 29. The converse of a theorem is _____________true. a. always b. sometimes c. never
 30. Two parallel lines and a transversal can ____________ form a triangle. a. always b. sometimes c. never