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Clash of clans
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Explain how you can use a straightedge and a compass to construct an angle that is both congruent and adjacent to a given angle.
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Answers (1)
4r + 6d = 152 4r + 3d = 92 6d + 4r = 152 3d + 4r = 92 6d + 4r - (3d + 4r) = 152 - 92 6d + 4r - 3d - 4r = 152 - 92 6d - 3d = 152 - 92 d = 20 3 * 20 + 4r = 92 r = 8