A sprinkler placed at the centre of a ﬂower garden sprays water covering a circulararea. If the area watered is 1386 cm2, ﬁnd its radius and diameter.

A sprinkler placed at the centre of a ﬂower garden sprays water covering a circular
area. If the area watered is 1386 cm2, ﬁnd its radius and diameter.

Matching exercise

Match the items on the right to the items on the left.

Step 1

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Step 6