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