Draw a line segment AB of length 7.4 cm and find its axis of symmetry.
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Let's first draw a line segment of length 7.4 cm .
1) Draw a line l, mark point A on it.
2) Since length is 7.4cm, we measure 7.4cm using ruler and compass.
3) Now keeping compass opened the same length, we keep pointed end at point A and draw an arc on line l.
So, the required line segment is AB = 7.4cm .
Now, we need to find its axis of symmetry.
1) Given a line segment AB.
2) Now with A as centre, and radius more than half AB, draw an arc on top and bottom of AB.
3) Now with B as centre, and same radius, draw an arc on top and bottom of AB.
4) Where the two arcs intersect above AB is point C and where the two arcs intersect below AB is point D.
Join CD.
CD is the line of symmetry of line segment AB.
Step-by-step explanation:
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