Answer:

Step-by-step explanation:
Look at the picture.
ΔADC and ΔCDB are similar. Therefore the sides are in proportion:

We have

Substitute:
<em>cross multiply</em>


For x use the Pythagorean theorem:

Answer: 13/15
Step-by-step explanation:
Answer:133
Step-by-step explanation:
Answer:
18 ft
Step-by-step explanation: