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Mathematics 19 Online
lillyarnold2121:

Triangle BCD is rotated 80° clockwise about the origin to form ΔKLM. If m∠KLM = 30°, what is m∠BCD?

jhonyy9:

try make a drawn about this will be more understandably

AL01:

Oh,plz

AL01:

plz @lilyarnold2121 draw a triangle that could be more easer

Mercury:

major hint: rotations do not change the measurement of an angle

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