Answer:

Step-by-step explanation:
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The postulate that prove that the two triangles in your problem is congruent is SAS or Side Angle Side postulate. This postulate is use when the given of an equation are only 2 side and an angle and also it gives the answer or the side on which the angle is projected. By means of that you can tell or figure out that the two triangle is congruent. So the answer is letter B. SAS
Here is the solved answer for this question
Answer: D) Tan x sin x
<u>Step-by-step explanation:</u>

1. LCD of 3/5 and 1/6 is 30
2. 3/7 - 1/14 = 6/14 - 1/14 = 5/14
3. 1/3 + 2/9 = 3/9 + 2/9 = 5/9
4. 8/15
5. 1 2/9 - 1 1/9