Question

Find the area of a circle with circumference 154 m.​

Answer 1

Answer:

$1886.5 m^{2}$

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Step-by-step explanation:

2Λr = 154

therefore, r= 154 x 7/22 x 1/2

                 r= 77 x 7/22

                 r= 24.5 m

Area= ∧r²

       = 22/7 x 24.5 x 24.5

       = 22 x 3.5 x 24.5

       = 1886.5 m² (ans.)

Answer 2

CIRCUMFERECE of circle = 2πr

= 44/7 *r = 154

= r = 154 / 44/7

= 2.45

area =