beginning of content:
SAT Subject Test
Note: Figure not drawn to scale.
In the figure above, 
and the measure of 
is 
. What is the value of 
?
Select an Answer
Correct Answer:
No
Correct Answer:
No
Correct Answer:
No
Correct Answer:
Yes
Correct Answer:
No
View Correct Answer
There are several ways to solve this problem. One way is to use the law of sines. Since , the measure of
is and the measure of 
is 
. Thus, 
and 
. (Make sure your calculator is in degree mode.)
You can also use the law of cosines:
Since 
is isosceles, you can draw the altitude to the triangle.
Question Difficulty:
medium