Question

Hello guys pls answer this question.
The length of an arc of a circle is 12cm. The corresponding sector area is 108 $cm^{2}$. Find the radius??

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given:

Length of an arc of a circle is 12 cm. the sector area is 108 cm.

To find:

Find the radius of circle and angle subtended at the center of the circle by the arc.

Step-by-step explanation:

π*r^{2}r

2

/(2π*r)

\frac{108}{12}

12

108

2*r=\frac{108}{12}2∗r=

12

108

r=\frac{108}{6}r=

6

108

r=18r=18

Answer:

The radius of circle: 1:0

The center of the circle by the arc in r=18 cm