Pearson Geometry Common Core, 2011
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Pearson Geometry Common Core, 2011 View details
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Exercise 5 Page 75

Which point lies both on plane Q and AC?

B

Practice makes perfect
To find the intersection of AC and plane Q, we should look for a point lying on both of them. We can see that points A, B, and C all lie on AC, but A and C do not lie on plane Q. Let's check whether point B lies on plane Q.

Looking at the figure, we can see that point B indeed lies on plane Q. Therefore, point B is the intersection of AC and plane Q.