Question

A circular flower bed lies inside a
rectangular field of size 25 m × 18 m. The area
of the field excluding the flower bed is 296 m^2
.Find the diameter of the flower bed

Answer 1

area of rectangle = 25 * 18 = 450 m²
area of excluding field = 296 m²
so, the area of circle = 450 - 296 = 154 m²
now, 154 m² = πr²
 r² = 49 m
 r = 7 m
∴ diameter = 7 * 2 =14 m

Answer 2

area of rectangle =25×18=450m^2
area of rectangle(excluding circle)=296m^2
area of circle=450-286=154m^2
area of circcle=πr^2
πr^2=154m^2
r^2=49
r=7
diameter=2×radius
then,diameter=2×7
=14m
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