Show:
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
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