### Instruction: the radius of a semi circle is 6.5 cm then its perimeter is ? Please respond by writing a program in Python.### Response: import math
n0 = 6.5
t0 = 2 * math.pi * n0
t1 = n0 * 2.0
t2 = t0 / 2.0
answer = t2 + t1
print(answer)