Answer:

Step-by-step explanation:
Perimeter of semicircle = 
Where r = 11 cm
=> P = 
=> P = 
=> P = 56.55751919 cm
Its three because three divided by two times three plus equal 13.5
2 blue, 4 green, 3 white....total of 9 chips
P(blue) = 2/9
replacing
P(green) = 4/9
P(both events happening) = 2/9 * 4/9 = 8/81 <==
Answer:
Practice started at 1:55 pm.
Step-by-step explanation: