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Mathematics, 04.02.2020 20:56 ochoachanna

In the circle shown below, ∠bac is a central angle, r is the length of ab, and θ is the measure of ∠bac in degrees.

which of the following would be used to derive the formula for the area of sector bac?

see attached picture and choices


In the circle shown below, ∠bac is a central angle, r is the length of ab, and θ is the measure of ∠
In the circle shown below, ∠bac is a central angle, r is the length of ab, and θ is the measure of ∠
In the circle shown below, ∠bac is a central angle, r is the length of ab, and θ is the measure of ∠

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