A man runs in a circular path . He runs towards the center and after reaching the centre he suddenly changes his direction from his original path at 90 degrees to the original direction. Find the area of the circle, given that, the man ran 8 metres in the above described path ? [4 MARKS]

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Solution

Concept : 1 Mark
Process : 2 Marks
Result : 1 Mark

Total distance travelled by the man = 8 m

As given, 2r = 8, r = 4

Area of the given circle = $π \times (4)^{2} m^{2}$
= $(3.14) \times (16) m^{2}$
= $50.24 m^{2}$

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A man runs in a circular path . He runs towards the center and after reaching the centre he suddenly changes his direction from his original path at 90 degrees to the original direction. Find the area of the circle, given that, the man ran 8 metres in the above described path ? [4 MARKS]

Concept : 1 Mark Process : 2 Marks Result : 1 Mark Total distance travelled by the man = 8 m As given, 2r = 8, r = 4 Area of the given circle =π×(4)2m2 = (3.14)×(16)m2 =50.24m2

Concept : 1 Mark
Process : 2 Marks
Result : 1 Mark

Total distance travelled by the man = 8 m

As given, 2r = 8, r = 4

Area of the given circle = $π \times (4)^{2} m^{2}$
= $(3.14) \times (16) m^{2}$
= $50.24 m^{2}$