Geometry Terms
In ray GH, which point is the endpoint?
A line with a slope of 2/3 will go up 2 and to the right _____.
3
A transformation that keeps shapes congruent.
Rigid motion
If two triangles share three pairs of congruent sides, they are congruent by ______ postulate.
SSS
True or false. An equilateral triangle be cut such that its pieces can be rearranged into a square.
True
Line AC is coplanar with line BD. The two lines will never intersect. The two lines are said to be _________.
Parallel
A rectangle and a parallelogram share the following properties:
1) Opposite sides are parallel
2) Diagonals bisect each other
3) Opposite sides are ________
Congruent
Dilations
A proof is an argument where logical statements are written in order and each statement is supported by a corresponding ___________.
Reason
The circumference of a circle has the formula C = pi*D where D is diameter. If you use the approximation that pi = 3.14, what is the circumference of a circle with D = 2?
6.28
Points A, B, and C are collinear. If segment AC is 10 cm and BC is 4cm, what is the length of AB?
6 cm
What is the y-coordinate of the midpoint between (5,10) and (-30,2)?
6
If point V(-3,7) is rotated 180 degrees, the coordinates of V' are _______.
(3,-7)
Square ABCD is cut by diagonal BD to make triangles ABD and CDB.
What type of triangles are these by angle and by side?
Right isosceles
Mr. Carter rolls a dice two times. The first time he rolls, he gets a 4. What is the probability of him rolling a 4 the second roll?
1/6
Angle ABC and angle CBD are supplementary. If angle ABC is 90 degrees, what is the measure of angle CBD?
90 degrees
The slope of the line perpendicular to y = 2x + 4 is ______.
-1/2
What is the translation rule of the following transformation? Write it in transformation rule form {(x,y) --> something}.
A(0,5) A'(-4,7)
B(-3,1) B'(-7,3)
C(-6,7) C'(-10,9)
(x,y) --> (x - 4, y + 2)
Square ABCD is cut by diagonal BD to make triangles ABD and CDB.
While proving triangle ABD is congruent to triangle CDB, you write that BD is congruent to BD. What reason would you use to justify this statement?
Reflexive Property
A prime number is a number whose factors are only 1 and itself. For example, 7 is prime because you can only multiply 1 and 7 to get 7.
What is the lowest double digit prime number?
11
A new pizza place cuts their slices into 12 pieces. What is the angle measure of each slice?
30 degrees
The slope of the line parallel to 3x = y - 4/3 is ______.
3
Square ABCD has coordinates A(0,0), B(4,0), C(4,4), and D(0,4). If ABCD is dilated by a scale factor of 2, the area of square A'B'C'D' is ________ times the area of square ABCD.
Hint: Area = length * width
4
Triangle FUN is obtuse isosceles. It's obtuse angle is 100 degrees. What is the measure of the other two angles of the triangle?
40 degrees
A typical uno deck has a total of 112 cards. There are 4 "draw four" cards in the whole deck.
If 10 cards have already been played, what is the probability the person next to you will play a "draw four" card?
4/102
OR
2/51