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Angles And Polygons
Test Description: Review problems
Instructions: Answer all questions to get your test result.
1) In triangle XYZ, if measure of X =72 and m of Y =74, what is the measure of Z?
A
34
B
214
C
180
D
72
2) The measures of the angles of triangle ABC are in the ratio 1:4:5. What are the measures of the angles?
A
1, 4, 5
B
18, 72, 90
C
20,80,100
D
10,40,50
3) If an exterior angle is 123 degrees, the two remote angles are 92 and x degrees. Find the value of x
A
145
B
215
C
41
D
31
4) What is the measure of a third angle of a triangle if one angle measures 25 and the second angle measures 50?
A
285
B
75
C
105
D
155
5) Find the measures of the angles in a triangle with the measurements: x, 120, x
A
30,80,30
B
120, 30, 30
C
60, 60, 120
D
12, 120, 12
6) Name the equation to find the sum of interior angles of a polygon
A
( n + 2) 180
B
(n - 2)180
C
(n-2)
D
(n - 2) 180/ n
7) Find the sum of the interior angle measures of a 15-gon
A
2700
B
156
C
2340
D
15
8) What is the equation to find one interior angle of a polygon?
A
( n - 2) 180/ n
B
(n - 2)
C
( n -2) 180
D
( n + 2) 180
9) Find the measure of one interior angle of a heptagon.
A
180
B
360
C
128.6
D
900
10) Find the measure of an exterior angle of an octagon.
A
45
B
360
C
90
D
1080
*select an answer for all questions
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