Question

a sprinkler placed at the centre of the flower garden sprays water covering a circular area.If the area watered is 1386cmsquare ,find its diameter and radius.
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Answer 1

Answer:

Radius of the garden=21 cm

DIAmeter of the garden=42 cm

Step-by-step explanation:

Answer 2

diameter = 42 m and radius = 21 m   if Area = 1386 m²

Step-by-step explanation:

Area of a circle = πR²

R = Radius of circle

π = 22/7

Area of Water covering = 1386 m²

πR² = 1386

=> (22/7) R²= 1386

=> R² = 63 * 7

=> R² = 9 * 7 * 7

=> R² = 3² * 7²

=> R² = 21²

=> R = 21

Radius = 21

Diameter = 2 * Radius = 2 * 21 = 42 m

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