# What fraction of the area of a circle is the area of a sector with a central angle of 45,90,300 degrees?

September 29, 2021 | education

| a)

Let us determine what part of the area of the circle will be equal to the area of the sector, if from the condition we know that its central angle is 45 °:

45: 360 = 0.125.

Answer: 0.125.

b)

Let us determine what part of the area of the circle will be equal to the area of the sector, if from the condition we know that its central angle is 90 °:

90: 360 = 0.25.

Answer: 0.25.

с)

Let us determine what part of the area of the circle will be equal to the area of the sector, if from the condition we know that its central angle is 300 °:

300: 360 = 5/6.

Answer: 5/6.

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