circumference of O = pie x diameter
circumference of half a O
= pie x diameter x 1/2
diameter = 14
pie x 14 x 1/2 = 21.99114858
21.99114858 + 14 + 14
= 49.99114858
(14 + 14 is the 2 sides of the triangle)
round off to 49.99 (2 decimal points)
therefore, the perimeter of the figure is 49.99cm
