Answer:
Radius = 1 in.
Step-by-step explanation:
Let the radius be 'r'. Diameter = 2r
Perimeter of a semicircle = Circumference of semi circle + Diameter
[tex]=>\pi r + 2r = 5.14 in.[/tex] (Let the value of π be 3.14)
[tex]=> 3.14r + 2r = 5.14in.\\=>5.14r=5.14\\=>r =\frac{5.14}{5.14} =1in.[/tex]
