More Lessons for New SAT Additional Topics
More Lessons for SAT Math
More Resources for SAT
This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.
How to find the length of a line segment in a circle?
Additional Topics in Math
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The semicircle above has a radius of r inches, and chord CD is parallel to the diameter AB. If the length of CD is 2/3 of the length of AB, what is the distance between the chord and the diameter in terms of r?
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