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The angles subtended by arc XY and MN on the centre of the circle are 45° each. The length of the chord XY = 18 cm, then find the length of the chord MN. |
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Answer» The angles subtended by arc XY and MN on the centre of the circle are 45° each. The length of the chord XY = 18 cm, then find the length of the chord MN. |
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