Answer:
<u>Answer</u><u>:</u><u> </u><u>D</u>

• first factorise out 10:

• then find factors of the quadratic equation in the bracket:
Answer: 80 feet.
Step-by-step explanation:
1. As you can see in the figure, triangle ABC and the triangle DFG are similar.
2. The scale of factor of triangle ABC to triangle DFG is the following:

3. Therefore, the lenght of the side DG of the trinagle DFG is:

4. The perimeter of the triangle DFG is:

5. Therefore, she would need 80 feet of fence.
Answer:
x=30
Step-by-step explanation:
2x+2x+x+x=180
6x=180
x=30
Next time, don't procrastinate much.