You can take pi as 22/7 or 3.14
CSA of cylinder = 2*pi*r*h
TSA of cylinder = 2*pi*r^2 + 2*pi*r*h
= 2*pi* ( h+r)
This is how you would write the statement:

You could also write it like this, if the one-half applies to everything:
Answer:
32
Step-by-step explanation:
13 + 3 = 16 x 2 = 32
Answer:
(a) 
(b) 
(c) 
(d) 
(e) 
Step-by-step explanation:
Solving (a):
Given

Required
Express as a product
Express 10x as 5 * 2x

Apply distributive property


So:

Solving (b):
Given

Required
Express as a product
Express 2x and 3x as 2 * x and 3 * x, respectively

Apply distributive property



So:

Solving (c):
Given

Required
Express as a sum/difference
Apply distributive property



Solving (d):
Given

Required
Express as a sum/difference
Apply distributive property


Solving (e):
Given

Required
Express as a product
Factorize

Apply distributive property

So:
