Forgive me if this is wrong. I haven't done stat in a year, but comment if you need clarification!
Sorry I can’t help you because I can’t measure it
Answer:
0.25%
Step-by-step explanation:
Rate of commission
= (commission*100)/cost of land
=( 20000*100)/8000000
= 2000000/8000000
=2/8
= 0.25%
Divide 360 by the number of sides or angles that the polygon has