We find the value for s here.
8s = 1/2

1/2 divided by 8/1 = 1/2 * 1/8 = 1/16
s = 1/16
Answer:3897
Step-by-step explanation:
Might be late but the first one is 125 and the seced one is less than :)

![\\ \sf{:}\implies side=\sqrt[3]{14}](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%7B%3A%7D%5Cimplies%20side%3D%5Csqrt%5B3%5D%7B14%7D)

Now

Cut it into 10 parts as per question(Open side means five sides hence it will be 5×2=10)

Now divide by previous side

Option D
Answer:

Step-by-step explanation:
To prove the given identity, we solve the left hand side and right hand side expressions and show that they are equal.
So we get
