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Right at 12:00 is when the evening starts
Answer:
43.3cm
Step-by-step explanation:
Circumference = PI * diameter.
Circumference = PI * 13.8
Circumference = 43.3cm
Step-by-step explanation:
First find the slope of the lines. If any two lines have a slope which is the negative reciprocal of each other then they're perpendicular
That is if two slopes m1×m2=-1 then m1=-1/m2 and m2#=-1/m1
Line 1 has slope -8
line 2 has slope -1/16
line 2 has slope -6
line 2 has slope 18
It appears none of the lines are perpendicular
