Find the angles - parallel lines

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Angles around parallel lines
Megan Hughes
Slide Set by Megan Hughes, updated more than 1 year ago
Megan Hughes
Created by Megan Hughes about 4 years ago
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Slide 4

    Imagine another parallel line that cuts through "h".   We then have two sets of co - interior angle when added together make up "h" Therefore 135 + x = 180 ..   x = 45 140 + y = 180 ..   y=40   h = x + y..  h = 45 +  40 ...   h = 85

Slide 6

    \[a = 99\,^{\circ}\]\[b = 81\,^{\circ}\]\[c = 99\,^{\circ}\] \[d = 99\,^{\circ}\]\[e = 81\,^{\circ}\]\[f = 99\,^{\circ}\]\[g = 81\,^{\circ}\]
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