Chemistry, asked by janubaby12, 2 months ago

please say the correct answer

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Answered by chamundraminz9

1

Answer:

B =n ________

Explanation:

think it help you

Answered by nandigamlokeshkumar

1

Answer:

Areaofringisgivenas π(R2−r2)

=22/7×(196−49)

=22×21=462

areaofringsectoris x/360×areaofring

⟹40/360×462=51.33cm

2

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