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What is the area of a sector of a circle...

What is the area of a sector of a circle of radius 14 cm and the central angle `45^@`? (Take `Pi= 22/7`)
एक वृत्त के खंड का क्षेत्रफल ज्ञात कीजिए जिसकी त्रिज्या 14 सेमी तथा केंद्रीय कोण `45^@` है | (`Pi= 22/7`)

A

`11 cm^2`

B

`77 cm^2`

C

`67 cm^2`

D

`70 cm^2`

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