C=2*pi*r or c=pi*d
c=7.6*pi
c=23.88
Holly would have to climb 92 flights of stairs in the fifth week
Formula for circumference of circle:
C=2πr
here radius, r=4 cm and π=3.142
Put values in formula.
C=2(3.142)(4)
C=25.1 cm (Rounded to 1 decimal place)
Answer: Circumference of the circle is 25.1 cm (Rounded to 1 decimal place)