Do (10 x 10) then (10 x 20), and then add your two answers together.
Its simple :)
Answer:
Following are the solution to the given question:
Step-by-step explanation:
Please find the complete question in the attached file.

The testing states value is:

therefor the 
Through out the above equation its values Doesn't rejects the H_0 value, and its sample value doesn't support the claim that although the configuration of its dependent variable has been infringed.
Answer:1/12
Step-by-step explanation:
I) 156 degrees
The exterior angle is 180-156
=24
The number of sides=

The number of sides= 15 sides
ii) 162 degrees
The exterior angle= 180-162
=18
The number of sides=

= 20 sides