Angles Of Polygons
10 Questions
| Attempts: 1251
Sum of exterior angles = 360sum of interior angles = (n-2)180where n = no. Of sides please login using your class index nameeg: 1o301lester
Questions and Answers
- 1.A k-sided polygon has 3 interior angles measuring 145, 157 and 178 degrees; and the remaining angles measure 150 degrees each. Find the value of k.
- A.
10
- B.
11
- C.
13
- D.
15
- 2.A k-sided polygon has interior angles that measure 145, 157, (x+15), (2x-58), (x+18), (x-11) and 178 degrees. Find the value of k.
- A.
6
- B.
7
- C.
68
- D.
89
- 3.Each exterior angle of a regular nonagon is
- A.
20˚
- B.
40˚
- C.
50˚
- D.
60˚
- 4.Each interior angle of a regular hexagon is
- A.
60˚
- B.
120˚
- C.
180˚
- D.
240˚
- 5.ABCDE is a regular polygon. Angle ABC measures
- A.
36˚
- B.
72˚
- C.
108˚
- D.
144˚
- 6.ABCDEFGHI is a regular polygon. Angle ABC measures
- A.
40˚
- B.
80˚
- C.
140˚
- D.
160˚
- 7.ABCDE is a regular polygon. Angle ACD measures
- A.
36˚
- B.
72˚
- C.
108˚
- D.
144˚
- 8.A k-sided polygon has interior angles that measure 145, 157, (x+15), (2x-58), (x+18), (x-11), x and 178 degrees. Find the value of x.
- A.
106
- B.
127.2
- C.
166
- D.
212
- 9.An octagon has interior angles that measure 158˚, 115˚, 123˚, 149˚, (x +5) ˚, (2x – 59) ˚, (x +15) ˚ and (x +24) ˚. Find the value of x.
- A.
155
- B.
110
- C.
200
- D.
220
- 10.A nonagon has 3 interior angles that measure 158˚, 115˚, 123˚; and the remaining angles are each equal to (x +15) ˚. Find the value of x.
- A.
129
- B.
144
- C.
159
- D.
216
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