Friday
December 19, 2014

Homework Help: Geometry

Posted by Sammie on Tuesday, June 17, 2008 at 9:53pm.

I have several questions, because my geometry final is tomorrow. I've completed most of the review, but can't seem to figure out these questions. It would be great if someone could tell me how to solve each equation.

1. Find the radius of the circle with the given measurement.
C=7

2. Find the value of x using the special triangles (30-60-90).
I really don't get this concept. Will someone explain it to me?

3. Use the coordinates A (-3, -7) and B (1, -5).
Find the distance of AB
Find the midpoint of AB

4. The length of a diagonal of a rectangular prism is 4√15. If the dimensions of the base are 8 and 12, then find the altitude.

5. Consider the coordinates A (12, 5, -5) and B (12, -3, -5). Find the volume of the spatial figure formed by rotating AB about the y-axis.

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