Define coplanar points.

Points that lie on the same plane.

Surface area of a cylinder

2πr2+2πrh, two circles and a rectangle

Define concurrent lines

3 lines that intersect at a single point

A flat two dimensional surface that extends infinitely

Objects that lie on the same plane

Define collinear points

3 or more points on a single line

The center of the triangle, also known as the center of gravity.

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Geometry FSA EOC Formulas

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A brief review of formulas for the EOC.

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Questions 34

Answers

1
Find the unknown exterior angle of the triangle
90
140
70
125
2
Define Circle
has one endpoint at the center and the other on the circle
contains the center and has endpoints on the circle
an angle whose vertex is the center
set of all points equidistant from the center
3
Name a line skew to AE
DH
BC
BF
AD
4
Given C(0,1) and D(-3,7) what are the coordinates of point P that partition line CD into the ratio 2:3?
(-1.2,2.2)
(-1.2,3.4)
(1.8, 3.8)
(-1.8, 4.6)
5
Midpoint Formula
y-y1=m(x-x1)
(average of x's, average of y's)
(x2-x1)2+(y2-y1)2
y=mx+b
6
Define line segment
Line with one endpoint and goes in one direction
Line that goes in opposite directions and never stops
2 points that form a line
Part of a line that has 2 endpoints
7
Volume of a cylinder
πrh
πr2
πr2h
2πr
8
How many points are necessary to define a line?
infinitely many
1
2
3
9
Identify a line segment parallel to line segment BC
EF
FG
DH
CG
10
Define coplanar points.
Parallel Planes.
Planes that intersect infinitely many times.
Points that lie on the same line.
Points that lie on the same plane.
11
Surface area of a cylinder
four circles
πr2h
2πr2+2πrh
two circles and a rectangle
12
Circumcenter or Incenter?
Incenter
Circumcenter
13
Tangent ratio
sine/cosine
sine/cosecant
opposite/adjacent
opposite/hypotenuse
14
Define concurrent lines
3 points that form a 90 degree angle
None of the above
3 lines that form a reflex angle
3 lines that intersect at a single point
15
Define plane
A flat two dimensional surface that extends infinitely
A set of points
A flat three dimensional Surface
An angle less than 90 degrees
16
Define coplanar
Objects that lie on the same line
Objects that lie on the same plane
Objects that lie on the same cube
Objects that are in space
17
If the lengths of a square are tripled, the surface area will:
multiply by 27
multiply by 9
quadruple
double
18
Sine ratio
hypotenuse over opposite
adjacent squard
adjacent over hypotenuse
opposite over hypotenuse
19
Area of a regular polygon
aP
1/2aP
lw
bh
20
A line is different than a segment because
a line has a beginning and an end
a segment goes on forever
a segment can be measured
21
A plane and a line intersect at a ____________.
line
point
plane
ray
22
The slopes of perpendicular lines are:
reciprocals
negative reciprocals
perfect squares
opposite numbers
23
Define collinear points
3 or more points on a single line
3 lines that intersect at one point
3 or more lines in a single quadrant
3 lines parallel to eachother
24
The slopes of parallel lines are:
negative reciprocals
reciprocals
opposite
the same
25
If the small side of a 30-60-90 triangle is x, then the middle side is:
2x
1/2x
x times rad 3
x times rad 2
26
Cosine Ratio
adjacent over opposite
None of the above
opposite over hypotenuse
opposite over adjacent
27
A centroid is
The center of the triangle, also known as the center of gravity.
The formula for a centroid is (x1+x2+x3/3 , y1+y2+y3/3)
where angles meet
The point where perpendicular bisectors meet
28
Volume of a pyramid
4/3πr3
1/3πr3
1/2bh
1/3Bh
29
Circumcenter or Incenter?
Circumcenter
Incenter
30
Sin (90-x)
tan x
sin x
none of the above
cos x
31
Volume of all prisms
BH
lwh
bh
Bh
32
If the radius of a sphere is doubled, the volume will increase by a factor of:
4
0
8
2
33
If the hypotenuse of a 45 45 90 triangle is 12, then the area is:
72 times rad 2
72
144
36
34
Cos (90-x)
tan x
none of the above
opposite
sin x

Geometry FSA EOC Formulas Flashcards | StudBud