Determining Angle Measure With Parallel Lines Worksheets With Answer Key - Johnny Wolfe, Jay High School Santa Rosa County Florida - 2001 Page 10
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13(4x + 7) + (7x – 3) = 180
11x = 176
17.
x = 16
(7(16) – 3) + (6y + 5) = 180
114 + 6y = 180
6y = 66
y = 11
6x = 90
18. C
x = 15
10y = 90
y = 9
Find the values of x, y and z
x + 68 = 180
x = 112
4y + 68 = 180
19.
4y = 112
y = 28
5z + 2 = 112
5z = 110
z = 22
20.
3x + 42 = 90
3x = 38
x = 16
z = 42 (alternate interior angles)
y + 7 = 3(16) (alternate interior angles)
y = 41
Johnny Wolfe Determining Angle Measure with Parallel Lines
Jay High School
Santa Rosa
County Florida
September 14, 2001
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