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OpenStudy (scott208):
Please help will meal and fan
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OpenStudy (scott208):
OpenStudy (royalranger):
How many degrees are in a quadrilateral?
OpenStudy (scott208):
360
OpenStudy (royalranger):
and supplementary angles add up to how many degrees?
OpenStudy (scott208):
180
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OpenStudy (royalranger):
So use that knowledge to compute the angles of the smaller triangles. Then you use supplementary angles again to calculate 2 of the angles in the quadrilateral
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