Answer:
Pendulum will swing by an angle 0.666π
Step-by-step explanation:
We have given arc = 
And length of the pendulum l = 150 cm
Length of the pendulum will be equal to radius of the pendulum so r = 150 cm
Arc is given by 
So 

So pendulum will swing by an angle 0.666π
It would be smaller because 11/12 = 22/24
Answer:
0.5
Step-by-step explanation:
Add everything together 33+66+33 = 132
Then 66/132, = 1/2 or 0.5
Answer: $556.50
Step-by-step explanation: 6% of 525 is 31.5 so 525 + 31.5 = 556.50$