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wnat Is the perimeter of a sector of angle

mehapatel (#233) 1220 days ago News hbse study material class 10 mathematics All https://www.zigya.com   Discuss  Published New Discard Success!

The arc of length l = AB of a sector of angle 45° in a circle of radius 7 cm is given by Perimeter of sector (OAB)= OA + OB + arc AB= (7 + 7 + 5.5) cm = 19.5 cm