Fourth Six Weeks Test Review

1
Fourth Six Weeks Test Review
2
4
25
x
10
3
x
10
6
8
4
21.63
x
12
18
5
20
x
12
16
6
15
15
x
24
7
15
15
X 9
12
12
24
8
45o
12
x
9
x
10
10
10
20
x
30o
y
11
10
10
x
10
12
Find the Geometric mean between 4 and 25.
10
13
NM9, MK4, Find JM.
6
14
What equation can be formed?
m
g
t
15
What kind of triangle has sides 41, 40 and 9?
Right
16
What kind of triangle has sides of 8, 12 and 18?
Obtuse
17
Find the leg of the right triangle
15
x
8
17
18
Find x
8
x
8
19
An equilateral triangle has a side of 12. What
is its altitude?
20
Which ratio is The opposite leg over the
hypotenuse?
21
The Sine Ratio
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Which ratio is The adjacent leg over the
hypotenuse?
23
The Cosine Ratio
24
What makes up the tangent ratio?
25
The opposite leg over the adjacent leg
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Set Up the Trig ratio to find x
27
20
28o
x
28
x
9
50o
29
21
x
32
30
Tan x 21/32
21
x
32
31
21
x
32
32
Whats true about an interior and exterior angle
of a polygon?
Supplementary
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For polygons to fit around a vertex, the sum of
their interior angles must be
360
34
A regular n-gon has lines of symmetry and
rotational of
n
360/n degrees
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Find the sum of the interior angles of a decagon
1440
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Find the measure of 1 interior angle of a regular
18-gon
160
37
Find the sum of the exterior angles of a 55-gon
360
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Find the measure of one exterior angle of a
regular 24-gon
15
39
The sum of the interior angles of what polygon is
4500?
27-gon
40
The measure of 1 interior angle of what regular
polygon is 170?
36-gon
41
The measure of 1 exterior angle of what regular
polygon is 8?
45-gon
42
A regular octagon has 8 lines of symmetry and
what degree of rotation?
45
43
The sum of its interior angles is 4 times the sum
of its exterior angles.
decagon
44
What regular polygon is missing
?
Another hexagon
45
What regular polygon is missing
?
Another Octagon
46
Whats the symmetry of a regular decagon?
10 lines, 36 degr. rotational
47
Find x (Given a regular octagon)
x
X 90 degrees
48
What 3 regular polygons will tessellate the plane?
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Equilateral triangles
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Regular Hexagons
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Squares
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55
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Is the Quadrilateral a parallelogram?
YES
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Is the Quadrilateral a parallelogram?
YES
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Is the Quadrilateral a parallelogram?
NO
60
Is the Quadrilateral a parallelogram?
NO
61
Is the Quadrilateral a parallelogram?
YES
62
Is the Quadrilateral a parallelogram?
YES
63
Is the Quadrilateral a parallelogram?
NO
64
Is the Quadrilateral a parallelogram?
NO
65
Is the Quadrilateral a parallelogram?
YES
66
Describe the symmetry of an average
parallelogram...
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- No lines - 180o rotational
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Complete the Theorem.
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The diagonals of a parallelogram____________.
BISECT
EACH OTHER
70
Opposite sides of a parallelogram are__________.
congruent.
(They are also parallel, but that is in the
definition, not a theorem.)
71
If the opposite angles of a quadrilateral are
congruent, then__________
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then the quadrilateral is a parallelogram.
73
Consecutive angles of a parallelogram are
____________.
Supplementary.
74
Always, Sometimes, or Never...
75
The diagonals of a parallelogram _________ bisect
each other.
Always
76
A quadrilateral is __________ a parallelogram,
Sometimes
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The End