Answer:
<em>Length of BO is </em><em>three times the length of DO.</em>
Step-by-step explanation:
In trapezoid ABCD, 
In ΔCDO and ΔABO,
(Alternate interior angles)
(Alternate interior angles)
So,
according to Angle-Angle similarity.
Therefore, the ratio of corresponding sides will be same.




Step-by-step explanation:
please see the proof in the attachment above
Answer:
The answer is B.) 3
Step-by-step explanation:
Answer: x=6
Step-by-step explanation:
-6x+8=4(5-x)
-6x+8=20-4x
12=2x
x=6