Q. 284.3( 3 Votes )

# draw an isosceles

Steps of construction :

1. Draw a line BC = 5.5 cm

2. Draw right bisector of BC intersecting BC which intersects BC at L.

3. Taking L as center and with radius = 3 cm draw an arc which intersect the right bisector A

4. Join AB and AC to get ∆ABC

5. Below BC, make an acute angle CBX

6. Along BX mark 4 ( greater of 3 and 4 in 3/4) points B1, B2, B3, B4 at equal distances.

7. Join B4C

8. From point B3, make a line B3C' parallel to B4C , meeting BC at C'.[Choosing B3 because we need a 3:4 ratio]

9. From point B' draw a line C'A' parallel to CA.

10. A'BC' is the triangle, whose sides are three - fourth of ∆ABC

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