Answer: x=12
Step-by-step explanation:
1. Accoding to the Side-Splitter Theorem, if a line interesect two sides of the triangle and it is parallel to the third side, then the other two sides are divided by the line proportionally.
2. Then, you can form the following proportion:

3. Substitute values and solve for x:

Answer:
(3) A"B"C" can be mapped onto A'B'C' by rotating it 180 degrees
Step-by-step explanation:
well, the other two are true, so that only leaves one option, sorry if this is wrong
6 + 3 or you could do 4.5 + 4.5. but the first one is probably what they're looking for.
1. Separate the composite figure into two shapes whose area can be indentified, and then add the areas together.