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Mathematics 12 Online
OpenStudy (anonymous):

What is the measure of angle ECH? Five lines, D, E, F, G, and H, intersect at vertex C. Angle FCG is a right angle. Angle DCE is fifty-six degrees and angle HCG is eighteen degrees. fifty-two degrees one hundred eight degrees one hundred forty-two degrees one hundred sixty-four degrees

OpenStudy (anonymous):

please i need help or i fail the 8 grade please

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