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Lines
Triangles
Angles
Transformations
Equations
100
Lines with the same slope that never intersect.
What are parallel lines?
100
A closed figure with three sides.
What is a triangle?
100
An angle that measures less than 90º.
What is an acute angle?
100
A change in the position, size, or shape of a figure.
What is a transformation?
100
5x - 6 = 3x - 8
What is x = -1?
200
Lines that have negative reciprocal slopes and intersect at a right angle.
What are perpendicular lines?
200
A triangle with three acute angles.
What is an acute triangle?
200
An angle with a measure of 90º.
What is a right angle?
200
The original figure before a transformation and the figure after a transformation.
What is the pre-image and image?
200
2x - 4 = 10
What is x = 7
300
The point that divides the segment into two congruent segments.
What is the midpoint?
300
A triangle with three congruent sides.
What is an equilateral triangle?
300
An angle with a measurement of 180º.
What is a straight angle?
300
A transformation across the line of reflection.
What is a reflection?
300
1/2x + 6 = 10
What is x = 8?
400
A statement that is accepted as true without proof.
What is a postulate?
400
A triangle with at least two congruent sides.
What is an isosceles triangle?
400
Angle with a measure of greater than 90º.
What is an obtuse angle?
400
A transformation in which all the points of a figure move the same distance in the same direction.
What is a translation?
400
5c - 4 - 2c + 1 = 8c + 2
What is c = -1?
500
Two rays that have a common endpoint and form a line.
What are Opposite Rays?
500
A triangle with one right angle and no congruent sides.
What is a right, scalene triangle?
500
If one angle in a pair of vertical angles measures 50º what is the measure of the other vertical angle?
What is 50º?
500
A transformation about a specific point.
What is a rotation?
500
2(3x - 7) + 4 (3 x + 2) = 6 (5 x + 9 ) + 3
What is x = -21/4?