Q3 of 805 Page 14

Construct of length 7.8 cm. From this, cut off of length 4.7 cm. Measure .

Step 1: Draw line segments of length 7.8cm and 4.7cm using a ruler as a reference.



Step 2: Draw a line AX.With A as the centre, take the length of GD with a compass. With A as the centre, cut an arc.Label it as B.



AB=7.8cm


Step 3: To cut off AC=4.7cm, measure EF with the compass. Cut an arc with A as the centre. Label it as C.


Measure BC.



BC=3.1cm


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