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130 The perimeter of the sector is 1m. Find the length of y, the radius of the circle.


130 The perimeter of the sector is 1m. Find the length of y, the radius of the circle-example-1
User Nibot
by
5.3k points

1 Answer

5 votes

Answer: 16.63 cm

Explanation:

The length of the arc =
(360-130)/(360) * 2
\piy =
(23)/(18)
\piy

The perimeter =
(23)/(18)
\piy + y + y = y(
(23)/(18)
\pi + 1 + 1) = 6.01y = 1 m

y = 16.63 cm

User Jeroen De Leeuw
by
5.9k points