Question

18) A line segment of length 9cm is divided in the ratio 1:1. The length of each part is​

Answer 1

Answer:

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Answer 2

Answer:

The length of each part of the line segment is 4.5cm

Step-by-step explanation:

Given that,

A line segment of length 9cm is divided into two parts in the ratio of lengths as 1:1.We are required to find the length of each part.For finding the the length of each part we shall use a mathematical concept as shown below.

If a line segment of length L is divided into two parts in the ratio a:b,Then the lengths of the respective parts are $\frac{aL}{a+b} \\\frac{bl}{a+b}$

Hence for our given question,we have a=b=1,L=9cm

Therefore,the length of each part is obtained in the way as shown below

$L_{a}=\frac{1\times9}{1+1} =\frac{9}{2} =4.5cm\\L_{b}=9-4.5=4.5cm$

Therefore,The length of each part of the line segment is 4.5cm.

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