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The Geometry of Angles and Polygons Flashcards | StudBud
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The Geometry of Angles and Polygons
The Geometry of Angles and Polygons
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Questions
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Answers
1
If a two dimensional closed shape is a polygon, what is a three dimensional closed shape?
a polygraph
a polymer
a polyhedron
a polymath
2
Two shapes are both rhombuses with sides that measure 5 cm. What must be true?
They are squares
They both have the same perimeter
They are congruent
They both have the same areas
3
If a side is added to a polygon, the measure of its angles increases by ______ :
90o
360o
180o
It can be different amounts
4
I am the only polygon with the same number of sides and diagonals:
octagon
pentagon
hexagon
heptagon
5
The formula for finding the perimeter of a regular octagon is:
8/n
8n
n/8
8 + n
6
A square with an perimeter and area that are the same has sides that each measure:
5 cm
8 cm
4 cm
6 cm
7
Three rectangles have the same perimeter and the same areas. They are:
concave
regular
noncongruent
congruent
8
My height is 10 cm. If my area is 40 cm
2
and I am a triangle, my base is:
2 cm
Not enough info
8 cm
4 cm
9
If a triangle has a 90
o
angle and two 45
o
angles it is a/an ____________ triangle:
isoceles
scalene
right-angled
equilateral
10
A triangle has _______ diagonals:
0
3
1
2
11
I am a quadrilateral with exactly two 90
o
angles. I could be a ___________ :
trapezoid
parallelogram
rhombus
kite
12
A square has __________ lines of symmetry:
2
8
4
1
13
What kind of triangle would have angles of 10
o
, 40
o
and 130
o
?
obtuse-angle
right-angle
scalene
acute-angle
14
If you double the length of each side of a square, __________
The area gets four times bigge and the perimeter gets two times bigger.
The area and the perimenter get two times bigger.
The area and the perimeter get four times bigger.
The area gets two times bigger and the perimeter gets four times bigger
15
I am a rectangle with an area of 28 cm
2
. My perimeter might be: __________
42 cm
32 cm
22 cm
58 cm
16
I am a shape with two sides measuring 6 cm and two sides that measure 10 cm. My area is:
30 cm2
unknown
32 cm2
60 cm2
17
In which African country did coffee originate?
Ethiopia
Nigeria
Egypt
Kenya
18
The place where two sides meet to form an angle is called a ____________ .
vertex
vertical
Voldemort
vortex
19
A polygon must have:
three or more angles
no curved portions
no open segments
two lines meeting at each vertex
20
Which shape does not have any parallel sides?
rhombus
trapezoid
kite
rectangle
21
I am a quadrilateral with four 90
o
angles. I could be a ________
rhombus
parallelogram
square
rectangle
22
What is an essential latte ingredient?
coffee
chai
green tea
steamed milk
23
What kind of polygon has one or more reflex angles?
regular
irregular
convex
concave
24
Which polygon has only one line of symmetry?
rhombus
square
kite
rectangle
25
I am an angle more than 0
o
and less than 90
o
so I am:
reflex
acute
obtuse
right
26
There are _______ degrees in a circle and a quadrilateral:
300o
90o
360o
180o