Question

Find the length of the arc of a circle with radius 2.7 cm. and area of sector
81cm?​

Answer 1

Answer:

ar(sector) = theta/360 × pie r^2

81×360×7/22×2.7×2.7=theta

find the value of theta

then put it in the formula of length of arc

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Answer 2

Answer:

Step-by-step explanation:

Radius of sector : 2.7cm(r)

Area of sector : 81cm

By formula ,

Length of sector =2A/r

= 2×81 ÷2.7

= 60cm