The slope
m = (y2 - y1)/(x2 - x1)
m = ( 38 - -2)/ (-29 - -64)
m = 40/35
simplify
m = 8/7
Hope this helps
1) If we let the lengths of the legs be x and 2x, then by the Pythagorean theorem,

This means that the length of the hypotenuse is:

2) (Diagram attached) We know that
(in cm)
3) From the Pythagorean identity,

4) 
Answer:
c=pi x d
3.14x12.5
d is the answer
Step-by-step explanation:
It would be 32 for your answer