Question

a rectangular rice field is 0.04 kilometer wide and has an area of 0.80 square kilometer.Find the lenght of the field?​

Answer 1

Answer:

20 km

Step-by-step explanation:

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Answer 2

Given:

A rectangular rice field is 0.04 kilometres wide and has an area of 0.80 square kilometres.

To find:

The length of the field.

Solution:

To answer this question, first of all, we should know that in a rectangle having length 'l' and breadth or width 'b', the area is given by:

$area = l \times b$

Now,

as given,

The width of a rectangular field

$= 0.04 \: km$

The area of a rectangular field

$= 0.80 { \: km}^{2}$

Let the length of a rectangular field

$= l \: km$

So,

$l \times 0.04 = 0.80$

$l = \frac{0.80}{0.04}$

$l = 20 \: km$

Hence, the length of the rectangular field is 20 Km.