Question

Find the length of a sector of a circle with radius 14cm if angle of

the sector is 90°. (Take = 22/7)​

Answer 1

Answer:

perimeter = 2 pie R = 2x22/7 x14 = 88 cm

the lenth of sector = 88/4 = 22 cm.

Answer 2

Answer:

radius (r) = 14cm

θ = 90°

π =22/7

length of a sector is nothing but circumference

where,circumference of a sector = 2πr

= 2×22/7×14

= 44/7×14

= 616/7

= 88cm

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