Delilah2435 Delilah2435

21-04-2021
Mathematics

contestada

A circle has a diameter of 18. The sector has a central angle of 30 degrees. What is the area of the sector?

Respuesta :

philip242 philip242

21-04-2021

Answer:

21.21

Step-by-step explanation:

Area of a circle is A = π r^2

Variables:

r = 18/2 = 9

θ = 30 deg

Find the area:

A = π r^2

A = π 9^2

A = 254.47

Find the area of the sector:

θ/360 * A

= 30/360 * 254.47

= 21.21

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