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Question

Draw a line segment of length 8 cm and divide it internally in the ratio 4:5.

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Solution

Steps of construction:

1) Draw a line segment AB = 8 cm.

2) Draw a ray AX making an acute angle BAX=60° with AB.

3) Draw a ray BY parallel to AX by making an acute angle ABY=BAX.

4) Mark of four points A1, A2, A3, A4 on AX and five points B1, B2, B3, B4, B5 on BY in such a way that AA1=A1A2=A2A3=A3A4.

5) Joins A4B5 and this line intersects AB at a point P.

Thus, P is the point dividing AB internally in the ratio of 4 : 5.


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