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04-06-2020
Mathematics

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6.
In the figure, the perimeter of sector AOB with centre O is 70 cm.
Find the value of r.
(Give your answer correct to 3 significant figures.)

6In the figure the perimeter of sector AOB with centre O is 70 cmFind the value of rGive your answer correct to 3 significant figures class=

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04-06-2020

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