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:
Radius of the garden=21 cm
DIAmeter of the garden=42 cm
Step-by-step explanation:
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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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