Answer:
Please add the diagram
Step-by-step explanation:
Answer:
I think it is $156
Step-by-step explanation:
Multiply the numbers
You are not giving enough information but in one of the calsses the average of student's height might be greater than the other class beacause one of the two classes needs to have 1 extra person than the other calss
Given :
∠ABF = ( 7x + 20 )°
∠FBC=(2x - 5)°
∠ABC= 159°
To Find :
The value of x .
Solution :
Assuming B the center of a circle .
So , all three given angles must be added to 360° .

Therefore , the value of x is 20.67° .
Hence , this is the required solution .