The LCM of 9 and 12 is 36.
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Answer: x= -42, y=8 >>> (-42,8)
arc length, s=(radius, r)(angle in radians, q)
q=tan^-1(s/r)
SO that saying the answer is 1.4 radians and the equation is probs q=7/5=1.4
Do it do it do it do it do it figure the answer