Answer:
(x-8)/10
Step-by-step explanation:
-------
No, because it is not a straight line

Solution:
Given PRQ is a triangle.
ST is a line parallel to RQ.



<u>Triangle proportionality theorem,</u>
<em>If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>


Do cross multiplication, we get

Divide by 2x on both sides, we get

Answer:
arc AE = 125 deg
Step-by-step explanation:
As the property of angle at the center O of a circle:
angle AOE = arc AE
=> arc AE = 125 deg
Hope this helps!