Answer:
The length of the blue ribbon is 10 inches.
Red ribbon length = 10 - 7 = 3 inches
b) The length of the blue ribbon is 27 inches.
Red ribbon length = 27 - 7 = 20 inches
c) The length of the blue ribbon is x inches.
Red ribbon length = (x - 7) inch
Step-by-step explanation:
3 inches
Since the two triangles are proportional, there is a scale for going from one triangle to the other
C = pi x d
3,14 x d = 47,1
d = 15