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CBSE Class 9 Answered

Draw a line segment of length 10cm and bisect it. Further bisect one of the equal parts and measure its length.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Steps of construction:

i. Draw a line segment PQ of length 10cm.

ii. With P as centre and radius more than half of PQ, draw two arcs above and below PQ.

iii. With Q as centre and same radius, draw two arcs cutting the arcs drawn in step 2 at E and F respectively.
iv. Draw the line segment EF as end points. Suppose it meets PQ at M.Then M bisects the line segment PQ.

v.  With Q as centre and radius more than half of QM, draw two arcs above and below QM.

vi.  With M as centre and the same radius as in step 5 draw arcs intersecting the previous arcs at R and S.

vii. Draw the line segment with R and S as end points. Suppose it meets QM at A.

viii. Then A bisects QM. AQ = AM = 2.5cm.

Answered by | 04 Jun, 2014, 03:23: PM

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