Math, asked by shachipurohit84538, 22 days ago

If the area of a sector of circle of radius 18 cm is 27πcm^2.then angle theta is.​

Answers

Answered by SnubArtifact
0

Answer:

30

Step-by-step explanation:

ATQ

x/360 x π x 18^2 = 27π

x/360π x 324 = 27π

x = 27π x 360/324π

x = 30

Answered by sumellikaagnisha
2

Area of sector = Xπr^2/360=108π

r=18

x = central angle=?

X = 108πx 360/π18^2 = 120 degree

Arc length=Xx2πr/360

x = 120

r=18

Arc length=120x2xπxl8/360

= 12π = 12x3.14=37.68cm

=37.68cm

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