Definitions and Angle Measures
Transformations
Congruent Triangles
Quadrilaterals
Random
100
A midpoint is
What is a point that splits a line segment in half?
100
List the four transformations that we learnt about last year, and state which of them is NOT a rigid motion
Reflection, rotation, translation, dilation
Dilation is NOT a rigid motion.
100
What are the 5 ways we can prove two triangles congruent?
SAS, SSS, ASA, AAS, HL
100
What do we call a quadrilateral with 4 congruent sides?
rhombus
100
What is a perpendicular bisector?
A segment which cuts a segment in half and intersects at a 90 degree angle.
200
What is the measure of the missing angle?
85 degrees
200
Which transformation is shown below? (Be as specific as possible)
Reflection across the y-axis
200
Are the following triangles congruent? Why/why not?
yes, SAS (vertical angles)
200
Name one similarity and one difference between a square and a rectangle
Similarity: Opposite congruent and parallel sides, 4 right angles, diagonals bisect each other
Difference: Square must have all congruent sides, a rectangle may not
200
What is the scale factor of the dilation shown below?
2
300
What is the measure of the missing angle and what types of angles are these?
136 degrees, alternate interior
300
Name four letters of the alphabet that have line symmetry.
A, B, C, D, E, H, I, K, M, N, O, T, U, V, W, X, Y,
300
Given: C is the midpoint of AE. How do we know the triangles are congruent?
ASA (vertical angles)
300
Name 2 ways we can prove that a quadrilateral is a parallelogram
prove 2 pairs of opposite sides are congruent OR prove 2 pairs of opposite sides parallel OR prove opposite angles congruent OR prove diagonals bisect each other OR prove one pair of sides parallel and congruent
300
If you dilate the line y = 2x - 7 from the origin using a scale factor of 4, what is the image of the line?
y = 2x - 28
400
What are the two ways we can find the length of a segment on the coordinate plane?
1. Pythagorean Theorem
2. Distance Formula
400
Which two transformations occur below?
Rotation and Dilation
400
In these two triangles BD = CE. What postulate would tell us that BC = DE?
Subtraction postulate (big --> small)
400
Determine the value of x if the quadrilateral below is a parallelogram
28 degrees
400
What is the midpoint of the segment connecting the points (1, 13) and (-5, 17).
(-2, 15)
500
The point X partitions PQ into a ___:___ ratio
1:2 ratio
500
What is the minimum number of degrees you would need to turn a regular hexagon onto itself?
60
500
Given that ABCD is a rectangle, explain why triangles ABC and ADC are congruent
Justify either SAS, SSS, HL, ASA, or AAS appropriately.
500
A quadrilateral has diagonals which bisect each other and are congruent. Name the quadrilateral.
Rectangle
500
What is the value of x?
7