Answer:
15
Step-by-step explanation:
Using the formula:

where P is the perimeter, b is base and a is side lengths
Solving for a:



Answer:
65 degrees
Step-by-step explanation:
61/66=0.9242 So in % that is %92.42
Answer:
Step-by-step explanation:
Slope= y2-y1/x2-x1
12 - -6= 18
-5 - -1= -4
Slope = -18/4