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In Each of the Figures [(I)-(Iv)] Given Below, a Line Segment is Drawn Parallel to One Side of the Triangle and the Lengths of Certain Line-segment Are Marked. Find the Value of X in Each of the - Mathematics

Sum

In each of the figures [(i)-(iv)] given below, a line segment is drawn parallel to one side of the triangle and the lengths of certain line-segment are marked. Find the value of x in each of the following :

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Solution

In each of the figure, we have to find the value of x

`1/(1+c)=d/(d+x)`

By cross multiplication on both sides, we get

`1xx(d+x)=dxx(1+c)`

`d+x=d+dc`

`x=d+dc-d`

`x= cancel(d)+dc-cancel(d)`

`x=dc`

Hence the value of  x is dc

Concept: Triangles Examples and Solutions
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APPEARS IN

RD Sharma Class 10 Maths
Chapter 7 Triangles
Q 1.1 | Page 123
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