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ACT CCRS:
G 501 Use several angle properties to find an unknown angle measure
(Score range 24–27)
IXL skills:
https://www.ixl.com/math/geometry/identify-complementary-supplementary-vertical-adjacent-and-congruent-angles
https://www.ixl.com/math/geometry/find-measures-of-complementary-supplementary-vertical-and-adjacent-angles
https://www.ixl.com/math/geometry/triangle-angle-sum-theorem
https://www.ixl.com/math/geometry/transversals-of-parallel-lines-find-angle-measures
Notes:
We don't have skills that layer this many concepts, but the individual pieces of this problem are covered by the skills listed here.
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