Patrulatere- suma unghiurilor

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Patrulatere- suma unghiurilor

Contributed by: Romeo

(Original author: Shanahan)

x =

80^ο

x

ο

85^ο

90^ο

x =

91^ο

93^ο

ο

98^ο

x

x =

x

110^ο

ο

120^ο

60^ο

x =

80^ο

y

ο

y =

ο

x

65^ο

71^ο

3x =

93^ο

ο

112^ο

x =

ο

3x

53^ο

(x + 25) =

x =

ο

ο

96^ο

78^ο

x + 25

62^ο

(x + 10) =

x =

ο

ο

82^ο

42^ο

101^ο

x + 10

2x =

x =

ο

ο

x

120^ο

50^ο

x

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