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The central angle of a sector of a circl...

The central angle of a sector of a circle with a radius of 30 cm measures `210^@`. What is the area `(cm^2)` of the sector given ?
30 cm त्रिज्या वाले किसी वृत्त के वृत्तखंड के केंद्रीय कोण की माप `210^@` है | दिए गये वृत्तखंड का क्षेत्रफल (`cm^2` में) क्या है? `(pi=22/7)`

A

1650

B

1645

C

1649

D

1647

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