(X,Y)
OMPHALOS
ΠΥΘΑΓΌΡΑΣ
WHAT WAS THE REASON?!
AREA 51
100
How many quadrants does a Cartesian Plane has? How are they represented?
There are 4 quadrants. The quadrants are represented as Roman numbers (I, II, III, IV).
100
What is the mid-point?
A mid-point, is the point that stands in the middle of a segment, dividing it in 2 equal parts.
100
If a triangle has a () opposite of 6 u. and the hypotenuse of 10 u. long, what is the length of the adjacent ()?
8 u.
100
If we have a 7:22 ratio, in how many segments are we going to divide the line?
29 segments
100
Which of these three ways is the correct to get the area of a polygon?
a) We can calculate the area of an irregular surface or any polygon as the sum of its pieces.
b) By adding the length of the figures on the border.
c) We can calculate an area by the difference of a larger or encompassing polygon.
correct answer: a) and c)
200
In which quadrant the coordinate (7,-20) is located?
In the IV quadrant.
200
What is the formula for finding a mid-point?
(x1+x2)/2, (y1,y2)/2
200
Find the distance of the line.
6.32 u.
200
If the A coordinates are (3,-7) and we want to move to the coordinate B which is (-10,5), what type of movement are we going to make in order to find a Z ratio?
x= negative movement
y= positive movement
200
Find the area of this irregular polygon. Each square is a unit.
a=30 u^2
300
Mention a coordinate located on the second quadrant.
(-X,Y)
300
What is the mid-point in segments A-B? A=(-6,8) B=(6,-7)
(0,0.5)
300
Find the perimeter of the triangle. (Each square is one unit)
17.07 u.
300
Find the coordinate of point B where point A is located in (2,4) and point C is located (-2,-4) if we have a ratio of 2:3
R= (0.4,0.8)
300
Find the area of this figure.
a= 40 u.^2
400
What is the name of the point that is created when the X-axis and the Y-axis meet? What is the coordinate of this point?
The Origin. (0,0)
400
What is the mid-point of the coordinates (4,11) and (7,3)?
(5.5, 7)
400
Find the perimeter of this figure: (Each square is one unit)
100.77 u.
400
Divide each segment in a 4:7 ratio. Find the length of the following segments according to the ratio.
DG, GF, FE, ED.
DG= 1.45 u.
GF= 2.18 u.
FE = 1.62 u.
ED= 1.45 u.
400
Find the area of this image
a=66.5 u.^2
500
Who created the Cartesian plane?
The Cartesian plane was created by René Descartes.
500
The midpoint of the segment AB is (5, -2.5). Point A is located in (3,3) What is the location of point B?
Point B is located in (7,-8)
500
Find the perimeter of this figure. (Each square is one unit).
63.8 u.
500
Divide each segment in a 5:9 ratio.
AB, BC, CA.
AB= (-1.55,.15)
BC= (-3.35, 3.65)
CA= (3.95, 1.12)
500
Find the area of this image
a=287.5 u.^2