The degree measure is about 59° and the length of the ladder is 10√34 in or about 59.3in
Start by getting all terms with x on one side and all terms without on the other.
6x+7=8x-15
subtract 6x from both sides
7=2x-15
add 15 to both sides
22=2x
divide both sides by 2
11=x
Right ankle is exactly 90 degrees, while obtuse is more than, and acute is less than