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Find the arc length of m CD =45 degree ; length of CD =_______ r = 8 cm and m XY = 45 degree ; length of XY =_______ r = 6 cm. |
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Answer» (1) arc length (CD) = πrθ/180° = (22 x 8 x 45°)/180° = 44 cm (2) arc length (XY) = πrθ/180° = (22 x 6 x 45°)/180° = 33 cm |
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