The rain water from a roof af dimensions ` 22 m xx 20 m ` drains into a cylindrical vessel having diameter of bases 2 m and height 3.5 m. If the rain water collected form the roof just fill the cylindrica vessl, them find the rainfull (in cm).

Explanation

To solve the problem step by step, we will follow these calculations:

### Step 1: Understand the Problem
We need to find the rainfall (in cm) that fills a cylindrical vessel with water collected from a roof of given dimensions.

### Step 2: Define the Variables
Let the rainfall be \( x \) cm. The dimensions of the roof are:
- Length = 22 m
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