Use the fact that the length of an arc intercepted by an angle is proportional to the radius to find the area of the sector given r = 3 cm and θ = π 4 . a) 9π 8 cm2 b) 3π 4 cm2 c) 9π 2 cm2 d) 2π 9 cm2

The area of sector with radius 3 cm and angle at center is   cm²

Step-by-step explanation:

Given as :

The radius of circle = 3 cm

The angle at the center of circle = Ф = = 45°

Now, Area of sector =

Or, Area of sector =

Or, Area of sector =

Or, Area of sector =

Or, Area of sector =   cm²

Hence The area of sector with radius 3 cm and angle at center is   cm²   Answer

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step-by-step explanation:

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2x^2+5x+17

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