What are two angles whose measures add up to 90 degrees?
100
rhombus
What is a parallelogram with four congruent sides?
100
plane
What is a flat surface with no thickness that extends in all directions?
100
equilateral triangle
What is a triangle with three congruent sides?
100
reflection
What is a transformation that flips a figure over a line of reflection?
200
obtuse angle
What is an angle that measures greater than 90 degrees?
200
regular polygon
What is polygon with all sides and angles congruent?
200
parallel lines
What are lines that lie in the same plane and have no points in common?
200
acute triangle
What is a triangle with three acute angles?
200
image
What is the result of a transformation of a point, line, or figure?
300
vertex
What is the point of intersection of two sides of an angle?
300
square
What is a parallelogram with four right angles and four congruent sides?
300
similar figures
What are figures that have the same shape (corresponding angles are congruent), but not necessarily the same size (corresponding sides are proportional)?
300
isosceles triangle
What is a triangle with two congruent sides?
300
rotation
What is a transformation that turns a figure about a point?
400
vertical angles
What are two congruent angles that are formed from two intersecting lines?
400
octagon
What is a 8-sided polygon?
400
perpendicular lines
What are lines that intersect to form right angles?
400
35 degrees
What is a the measure of angle x in a triangle whose two other angles measure 50 degrees and 95 degrees?
400
transformation
What is a change in a figure's position, shape, or size?
500
105 degrees
What is the value of x if x and a 75 degree angle are supplementary angles?
500
trapezoid
What is a quadrilateral with exactly one pair of parallel sides?
500
ray
What consists of one endpoint and all the points of the line on one side of the endpoint?
500
scalene triangle
What is a triangle with no congruent sides?
500
translation
What is a transformation that moves every point of a figure the same distance and in the same direction?