Vocabulary
Perimeter
Please write the distance formula
sqrt((x2 - x1)2+(y2 - y1)2)
Line segment CD = 10 meters, segments DE = 77 meters, what is the length of CE?
87 meters
What is the area of a triangle with a height of 16 and a base of 4?
32
Angles that are neighbors are called...?
adjacent angles
A line that has one endpoint but extends infinite in one direction.
What is a RAY?
Please write the midpoint formula.
((x1+x2)/2, (y1+y2)/2)
A straight angle ABD measures 180 and is split by ray BC. The obtuse angle ABC measures 120. What is the measure of CBD?
60
What is the area of a rectangle with B - 8 and H = 2.5
A = 20
Complementary angles are...
angles that add to 90 degrees
Find the vertical angles
Angles 2 and 4
Find the midpoint of AB. A (4, 0), and B (1, 3)
(2.5, 1.5)
∠AOC = 97 ∠BOC = 25, What is ∠AOB?
∠AOB = 72
What is the circumference of a circle with a radius of 5?
31.4
5 points that are all in a line could be described as...
colinear
Two angles whose measures add to 180
supplementary angles
What is the distance between (4, -6) and (-2, 4)?
6
Line AC contains point B. AC has a length of 19.75, AB has a length of 8.5. What is the length of BC?
11.25
Find the area and perimeter of the given irregular shape.
Area = 37
Perimeter = 27.2
What is the word for a "closed plane figure formed by 3 or more segments"?
polygon
What is the word for a geometric drawing done with a compass or other drawing tool?
If a line has an endpoint with the coordinates (-4, 2) and a midpoint of (2,2), what are the coordinates of the other endpoint? And how long is the line?
Remember the midpoint divides a line into two congruent segments.
Endpoint (8, 2)
The line is 12 units long
∠ABD is a straight angle containing ray BC.
∠ABC = 20x +10
∠BCD= 35x + 5
Solve for x
x = 3
Find the area of the given irregular shape
14.57
compass