Question

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

Answer 1

Answer

diameter =42 m and radius = 21 m if area = 1368 m square

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Answer 2

Answer:

Given,

Area which is watered = 1386 cm2

Area of circle = πr2

1386 = πr2

1386 = 22/7×r2

1386÷22/7 = r2

441 = r

$\sqrt{441} = r \\ 21 = r$

Therefore, radius = 21

Diameter = 42

Step-by-step explanation:

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