Definitions (For Sure)
Angles
Distance
PT Theorem
Potpourri
100

A part of a line the starts at an endpoint and continues forever in one direction

Ray


100

An angle greater than 90 degrees

Obtuse Angle


100

This is the distance formula on the coordinate plane


100

This is the Pythagorean theorem

100

Lines that intersect to form four right angles

Perpendicular Lines


200

Lines that never touch or meet

Parallel Lines


200

An angle less than 90 degrees

Acute angle


200

On a number line, the distance from -3 to 4

7 units

200

The length of the hypotenuse on the triangle below

10 units

200

The value of the variable x in the equation below:

5x + 4 - 8x = -5

x=3

300

Two rays with a common endpoint

Angle


300

The combined angles shown equal 95 degrees, while the missing angle must be _____ degrees


55

300

The distance from points A and B


Approximately 8.6 units

300

The length of the missing leg in the triangle below:


 sqrt(204) units

OR

Approx 14.3 units

300

These three consecutive integers have a sum of 105

34, 35, and 36

400

A point where two or more lines meet

Vertex


400

Angle A and angle B are complementary. Since angle A is 37 degrees, angle B is ________ degrees.

63 degrees

400

Assume that line segment PT = TQ

PT = 5x+5

TQ = 7x-7

This is the value of x given these postulates

x = 6

400

The perimeter of the blue triangle show below:

12 units

400

Solve for the variable x in the triangle below.



x=14

500

Two angles whose sum is 180 degrees

Supplementary Angles


500

Angle A and angle B are supplementary. Since angle A is 130 degrees, angle B is ________ degrees.

50 degrees

500

Points P, Q, R, and S are collinear. Point Q is between P and R, R is between Q and S, and PQ is congruent with RS. If segment PS=28 and segment PR=20, what is the length of QR? 

12 units

500

Say that a ladder is placed 5 feet away from a vertical wall and touches the top. If the ladder is 13 feet long, how tall is the wall?

12 feet

500

Five large fish and one small fish is equal to two large fish and ten small fish.


Assuming a small fish weigh two pounds each, this is how much one large fish weights

6 lbs. each