What is the circumference of a circle with a diameter of 9 inches.
1 answer:
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Answer:
12cm.
Step-by-step explanation:
The radius is half of a circe.
6 * 2 = 12.
Since the line is parallell to the x-axis we know the slope is zero: 
Using the point-slope formula we can substitute know values:
You could also jsut do it by inspection: since it passes through (3,4) and is horizontal it must cross at (0,4) i.e. all y=4.
Using the point-slope formula we can substitute know values:
You could also jsut do it by inspection: since it passes through (3,4) and is horizontal it must cross at (0,4) i.e. all y=4.