plz answer this question for me!!!!!

Asked by  | 10th Oct, 2008, 08:58: PM

Expert Answer:

 

1. Draw C(O,4) . Draw C' (O,6), take any point P on it.[ C(O, ,4) denotes circle C with centre O and radius 4 cm)]

2. Join OP. . Draw its perpendicular bisector. Let it meeet OP at M (mid point)

3. Draw Cicle C'' (M, OP)Meeting C(0, 4) at Q and R .

4. Join PQ and PR.

By meaurement , it will be 4.4 cm

 

By actual calculation PQ = [OP2  -  OQ2]  = [36  -  16]  = root 20 = 2 root 5

Answered by  | 12th Oct, 2008, 03:58: PM

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