1. Draw a line PQ. Mark two points A and B, both at a distance of 6 cm from PQ and on either side of PQ. Draw two lines parallel to PQ passing through the points A and B.
2 . Draw a line perpendicular to another line AB from any point on AB. On this perpendicular line, choose a point that is 8 cm away from the line PQ. Through O, draw a line CD parallel to AB
3 . Draw an ZABC = 65° such that AB = 6 cm and BC = 8 cm. Draw a line parallel to AB through C. Then draw another line parallel to BC through A. Name the intersecting point D. Measure the line segments AD and CD.
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Answers
Answer:
Given a line PQ with point A outside it.
2. Mark point B on the lie PQ join AB.
3. Taking B as centre, and any radius, draw an arc intersecting PQ at E, and AB at D.
4. With A as centre, and same radius before, draw an arc intersecting AB at F.
5. Open compass to length DE.
6. Now, with F as centre, and compass opened the same radius as before, draw an arc intersecting the previous arc at H.
7. Draw a line m passing through A and H.
Thus m is parallel to PQ, and passing through point A.
∴m∣∣PQ.
hope it helps
Answer:
1. Given a line PQ with point A outside it.
2. Mark point B on the lie PQ join AB.
3. Taking B as centre, and any radius, draw an arc intersecting PQ at E, and AB at D.
4. With A as centre, and same radius before, draw an arc intersecting AB at F.
5. Open compass to length DE.
6. Now, with F as centre, and compass opened the same radius as before, draw an arc intersecting the previous arc at H.
7. Draw a line m passing through A and H.
Thus m is parallel to PQ, and passing through point A.
∴m∣∣PQ.
Given: A-line AB=6.2 cm and a point P on it.
Required: To draw a perpendicular arc to AB at point P.
Step of Construction :
(i) With P as a centre and any suitable radius, draw an arc to cut the line AB at points C and D.
(ii) With C and D as centres, draw two arcs of the equal radius (>
2
1
CD) cutting each other at Q.
(iii) Join P and Q.then QP is the required perpendicular to the line AB at the point P
