# Angles Of Polygons

10 Questions | Attempts: 1251  Settings  Sum of exterior angles = 360sum of interior angles = (n-2)180where n = no. Of sides please login using your class index nameeg: 1o301lester

• 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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