Prepare for your Abeka Plane Geometry tests with these practice questions and answers. This guide covers geometric proofs, triangles, circles, polygons, and coordinate geometry.
Q: Two quantities that are equal to the same quantity are equal to each other.
Answer: True
Q: A straight angle contains 180 degrees
Answer: True
Q: A right angle may also be obtuse.
Answer: False
Q: An obtuse angle may have only one obtuse angle.
Answer: True
Q: If two lines are perpendicular, then they form right angles.
Answer: True
Q: If a triangle is equilateral, it is also acute.
Answer: True
Q: If two angles are equal, then they are supplementary.
Answer: False
Q: A bisector of one angle of a triangle is perpendicular to the side opposite of that angle.
Answer: False
Q: Two angles whose sum is a right angle are said to be supplementary.
Answer: False
Q: The legs of an isosceles triangle are equal.
Answer: True
Q: The whole is greater than the sum of its parts
Answer: False
Q: Two angles that have a common side are ___ adjacent.
Answer: Sometimes
Q: If equal quantities are multiplied by equal quantities, the products are ___ equal.
Answer: Always
Q: If two straight lines intersect, the vertical angles formed are ___ equal.
Answer: Always
Q: Two angles that are supplementary are ___ equal.
Answer: Sometimes
Q: An equilateral triangle is ___ equilangular
Answer: Always
Q: Three angles that have a sum of 90 degrees are ___ complementary.
Answer: Never
Q: A bisector of a line segment _____ passes through the midpoint of the segment
Answer: Always
Q: The bisectors of two supplementary angles are ___ perpendicular to each other.
Answer: Always
Q: An obtuse triangle is ___ isosceles.
Answer: Sometimes
Q: The supplement of a right angle is ___ a right angle
Answer: Always
Q: A scalene triangle has ___
Answer: b. no sides equal
Q: If the non-common sides of two adjacent angles lie in opposite directions on a straight line, then the two angles are ___
Answer: c. supplementary
Q: An angle of 90 degrees is ___
Answer: d. none of these
Q: If two lines are perpendicular, they form at the point of intersection ___
Answer: b. right angles
Q: A line segment has___
Answer: a. two endpoints
Q: If the sum of two angles is an obtuse angle, at least one of the angles must be ___
Answer: a. acute
Q: As the size of an angle increases, the size of its supplement ___
Answer: b. decreases
Q: In a right triangle, the side that is opposite the right angle is called the ___?
Answer: hypotenuse
Q: If two angles are vertical angles, then they are ___?
Answer: equal
Q: If equal quantities are added to equal quantities, the ___ are equal.
Answer: sums
Q: If equal quantities are subtracted from equal quantities, the ___ are equal.
Answer: remainders (or differences)
Q: If an angle is labeled RTS the vertex lies at point___.
Answer: T
Q: If two angles, neither of which is a right angle, are complementary, they must both be___
Answer: acute
Q: If two angles are both equal and complementary, their measures are___
Answer: 45 degrees
Q: If a polygon has 8 sides, the size of an angle at the center is ___?
Answer: 45 degrees
Q: The supplement of an acute angle is a(n) ___ angle.
Answer: obtuse
Q: If two quantities are equal to the same quantity, or to equal quantities, then they are___?
Answer: equal
Q: Construct a regular polygon of five sides, with each side equal to the given segment a. (Use your protractor to draw the angles.)
Answer: —–
Q: Construct a triangle with sides of the give lengths
Answer: —–
Q: Construct a triangle which has all three sides equal to the given length.
Answer: —–
Q: Draw a triangle that has the given base and base angles of 65 degrees and 35 degrees.
Answer: —–