What is the area of the parallelogram?
2 answers:
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I am getting 7 as the value of b. I do not believe 4 is a correct answer!
Here's why:
General equation of a circle in the xy plane
with being the x,y coordinates of the center.
The center point can be determined from the two endpoints of the diameter because the line segment is horizontal, so we just find the center of the x coordinates of the two points:
and the radius r = diameter/2 = 8-(-2)/2 = 5
so we have
Given a point on the circle (0,b) with b>0:
Here is the answer to the problem.
