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Duplicate of EOC Formulas Quiz and More... Flashcards | StudBud
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Duplicate of EOC Formulas Quiz and More...
Duplicate of EOC Formulas Quiz and More...
44 terms
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Geometry Formulas and More
Flashcards
44 cards
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Questions
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Answers
1
Arc =
⫪
Double the Inscribed Angle
Central Angle
Any angle
2
A 180 degree rotation changes (x,y) to
(x,-y)
(-x,-y)
(y,x)
(-x,y)
3
Longest side of a triangle is opposite the...
largest angle
obtuse angle
acute angle
smallest angle
4
Alternate Interior angles are...
Congruent
Supplementary
5
Which of the following represents a dilation?
@
(x,y)
(x+5,y-6)
(5x,5y)
6
Which inverse trig function should be used to find missing angle?
Don't know
Tan-1
Cos-1
Sin<span style="font-size: 13.3333330154419px;">-1</span>
7
Equation of Circle with center at origin and radius 3
(x-0)2+(y-0)2=32
x2-y2=3
x2+y2=32
x2+y2=9
8
The angle bisectors intersect at the...
Orthocenter
Centroid
Incenter
Circumcenter
9
Same Side Interior angles are...
Congruent
Supplementary
10
The exterior angle theorem
exterior angles are always congruent
exterior angles are always supplementary
exterior angle = sum of remote interior angles
exterior angle = interior angle
11
A 90 degree clockwise rotation changes (x,y) to
(y,x)
(-y,-x)
(y,-x)
(-y,x)
12
inverse
not if and then
switch if and then
if and then
switch and not if and then
13
The midsegment of a triangle
is parallel to the third side
is half the length of the third side
connects midpoints of two sides of a triangle
is a midpoint
14
Consecutive Interior angles are...
Supplementary
Congruent
15
Which Trig function (ratio) should be used...
Tangent
Don't Know
Cosine
Sine
16
An Isometry keeps the figure congruent: True of False?
True
False
17
Cube
10 faces
9 faces
20 faces
6 faces
18
The perpendicular bisectors intersect at the
incenter
orthocenter
circumcenter
centroid
19
A reflection across y - axis changes (x,y) to
(-x,y)
(y,-x)
(x,-y)
(-x,-y)
20
Converse
Switch if and then
not if and then
if and then
switch and not if and then
21
What does CPCTC stand for?
Congruent Parts Collinear Triangles are Collinear
Cows Pet Cats Too Cute
I don't know
Congruent Parts of Congruent Triangles are Congruent
22
A dilation is an isometry. True or False?
True
False
23
Which trig function (aka ratio) should be used...
Cosine
Sine
What?!
Tangent
24
Contrapositive
switch and not if and then
if and then
switch if and then
not if and then
25
Alternate Exterior angles are...
Congruent
Supplementary
26
The third side of any triangle must be..
greater than the sum of the other two sides
different than the sum of the other two sides
equal to the sum of the other two sides
less then the sum of the other two sides
27
Which Trig function (aka ratio should be used) to find x
Cosine
Tangent
don't know
Sine
28
A 90 degree counterclockwise rotation
(y,x)
(y,-x)
(-y,-x)
(-y,x)
29
A reflection across x-axis changes (x,y) to
(-x,-y)
(y,x)
(-x,y)
(x,-y)
30
The altitudes intersect at the
circumcenter
orthocenter
incenter
Centroid
31
Definition of Circle
a line segment that curves
set of points equidistant from a point
I don't know
a round, curved drawing
32
Pythagorean Theorem
a2+b2 = c 2
(a + b) 2= c
a + b = c
a + b < c
33
Area of a Trapezoid
½bh
bh
½h(b1+b2)
Add the bases ÷ 2 × height
34
Which transformation keeps figures congruent
Reflection
Dilation
Rotation
Translation
35
Corresponding Angles are...
Supplementary
Congruent
36
Which transformation creates a similar figure
Reflection
Rotation
Translation
Dilation
37
Which of the following represents a translation?
(x+2,y-5)
(x,y)
$
(2x,3y)
38
Area of a Parallelogram
½bh
Don't know
bh/2
bh
39
TetraHedron
9 faces
4 faces
20 faces
6 faces
40
Which Trig function (aka ratio) should be used to find missing side?
Cosine
Tangent
Sine
Don't know
41
Isocahedron
10 faces
20 faces
6 faces
4 faces
42
Inscribed Angle =
Double the Arc
Major Arc
Half the Arc
Minor Arc
43
Dodecahedron
10 faces
4 faces
20 faces
12 faces
44
The medians intersect at the
circumcenter
centroid
incenter
orthocenter
