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11-05-2020
Mathematics

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A circle with radius 9 has a sector with central angle of 120 degrees.
What is the area of sector?

Respuesta :

Chelboy Chelboy

13-05-2020

Answer:84.78

Step-by-step explanation:

π=3.14

Φ=120°

radius=9

Area of sector=Φ/360 x π x radius x radius

Area of sector=120/360 x 3.14 x 9 x 9

Area of sector=(120x3.14x9x9) ➗ 360

Area of sector=30520.8 ➗ 360

Area of sector=84.78

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