Vocabulary
Rigid Transformations
Triangles
Right Triangles
Area & Volume
100
A line through the vertex of an angle that divides it into two equal angles.
An Angle Bisector
100
A line segment with an arrow at one end specifying a direction
A Directed Line Segment
100
180 degrees
The sum of all the angles in a triangle
100
This equation explains the relationship of the sides of a right triangle:
a2 + b2 = c2
The Pythagorean Theorem
100
The area of this rectangle
640 m2
200
A figure that is the set or all points that are a distance r units from center O.
A Circle
200
A rigid transformation that uses a center, a direction, and an angle.
A Rotation
200
This type of triangle
Scalene Triangle
200
The side of the triangle that is opposite the right angle.
The hypotenuse
200
8 in2
300
Two lines that don't intersect
Parallel Lines
300
A transformation that takes a point to another point that is the same distance from a given line.
A Reflection
300
Triangles for which there are rigid transformations that takes the first exactly onto the second.
Congruence or Congruent Triangles
300
The length of the missing leg of a triangle when one leg is 4 and the hypotenuse is 5
3
300
2,543.4 cm3 or 810π cm3
400
A reasonable guess that you are trying to either prove or disprove.
A Conjecture
400
This rigid transformation of a triangle
A Reflection
400
Two pairs of congruent corresponding sides and the pair of angles between them are congruent.
Side-Angle-Side Triangle Congruence Theorem
400
The trigonometry function represented by this figure
Cosine
400
What is the volume of a cone that is 8 yards in diameter and has an altitude of 9 yards?
150.72 yards3 (48*pi yards3)
500
A statement that you think is true but have not yet proved.
An Assertion
500
The series of rigid transformations that takes Angle ABC to Angle KLM
Translate figure ABC by directed line segment from C to M. Rotate the image of the figure ABC using M as the center so that B coincides with L.
500
The theorem that explains the congruence of these triangles
Angle-Side-Angle Triangle Congruence Theorem
500
The ratio of the opposite leg to the length of the adjacent leg
The Tangent of an acute angle in a right triangle
500
A cube with side lengths of 3 inches is dilated by a scale factor of 3. This is the volume of the dilated cube.
729 in3