Answer:

Step-by-step explanation:
According to the side-splitter theorem, the two sides of the triangle is divided proportionally if the line that intersects both sides is parallel to the third side of the ∆.
Therefore, based on this theorem, we would have the following:

Solve for x

Multiply both sides by 21



Answer:
c 15 square units
Step-by-step explanation:
it is very easy
Answer:
x=0
Step-by-step explanation: