SAT II Math II : Analyzing Figures
Study concepts, example questions & explanations for SAT II Math II
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Example Questions
Example Question #1 : Analyzing Figures
Refer to the above diagram. Which of the following is not a valid name for 
All of the other choices give valid names for the angle.
Example Question #1 : Analyzing Figures
Use the rules of triangles to solve for x and y.
x=60, y=30
x=30, y=30
x=30, y=60
x=45, y=45
x=60, y=30
Using the rules of triangles and lines we know that the degree of a straight line is 180. Knowing this we can find x by creating and solving the following equation:
Now using the fact that the interior angles of a triangle add to 180 we can create the following equation and solve for y:
Example Question #2 : Analyzing Figures
Use the facts of circles to solve for x and y.
x=39.5, y=11
x=10, y=30
x=11, y= 39.5
x=13, y=10
x=11, y= 39.5
In this question we use the rule that oppisite angles are congruent and a line is 180 degrees. Knowing these two facts we can first solve for x then solve for y.
Then:
Example Question #3 : Analyzing Figures
Solve for x and y using the rules of quadrilateral
x=6, y=9
x=6, y=10
x=9, y=6
x=2, y=4
x=6, y=9
By using the rules of quadrilaterals we know that oppisite sides are congruent on a rhombus. Therefore, we set up an equation to solve for x. Then we will use that number and substitute it in for x and solve for y.
Example Question #3 : Analyzing Figures
Chords 
Give the length of 
If we let 
The figure referenced is below (not drawn to scale):
If two chords intersect inside the circle, then the cut each other so that for each chord, the product of the lengths of the two parts is the same; in other words,
Setting 
Taking the positive square root of both sides:
the correct length of 
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