Draw a line segment AB of length 7 cm . using ruler and compass, find a point P on AB such that AP/AB = 3/5.

steps of constructions:
1. draw a line AB of length 7 cm.
2. draw an acute angle A8AB.
3. draw B8BA=A8AB
4. mark A1 ,A2 , A3 ,...........A8  such that AA1=A1A2=A2A3=.......A7A8
5. join A8B.
6. from points A, A1 ,A2 , A3 , .......,A7 draw the lines AB8, A1B7 , A2B6 ,....... parallel to A8B.
thus point of intersection of A3B5 and AB is the required point P.
such that AP : PB = 2:5

hope this helps you

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