Answer:

Step-by-step explanation:
The side that is parallel to BC is EF
Find the slope of EF:

Easiest way is just put the formula in point-slope form and simplify.
Let's use point F, which is (6,2)

Simplify:

Add 2 on both sides:

Hope this helped
Answer:
12
Step-by-step explanation:
The sum of the measures of the interior angles is given by:

n:sides of the polygon
And in a convex polygon the sum of the exterior angles sums 360°
Then

You just solve it and the answer is 12.
Answer:
the hieght is 9
Step-by-step explanation:
divide 162 by 6 and you should get 27 then divide 27 by 3
to check your answer multiply 9x6x3 and you are done!!!