Answer:
The length of the ramp is at least 17.2 feet
Step-by-step explanation:
See attachment for the appropriate diagram.
The length of the ramp is represented with z
So, we have:


Required
Find z
To find z, we make use of sine formula:

Make z the subject

So:



<em>The length is at least 17.2 feet</em>
I would use photo math! also there is already no parennthisis
Answer:
10
Step-by-step explanation:
By using intersecting chord theorem:
NH.HT=MH.HY
(x+20)*8=12*20
x+20=12*20/8
x+20=240/8
x+20=30
x=30-20
x=10
The measure is one hundred eighty