 A circular sector is the portion of a circle bounded by two radii.

### Circular Sector Area  ### Arc Length  Find the area of a circular sector whose chord is the side of the square inscribed in a circle with a 4 cm radius.  The area of a circular sector of 90° is 4π cm. Find the radius and the length of the circle to which it belongs.    Calculate the area of a circular sector whose chord is the side of an inscribed equilateral triangle in a circle with a 2 cm radius.  The rope that attaches a swing to a tree is 1.8 m long and the maximum difference between trajectories is an angle of 146°. Calculate the maximum distance travelled by the seat of the swing when the swing angle is described as the maximum. A lighthouse sweeps its light across the horizon of the ocean at an angle of amplitude of 128 degrees. If the maximum range of the beacon is 7 miles, what is the maximum length of the corresponding arc? Need a Maths teacher?

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Emma

I am passionate about travelling and currently live and work in Paris. I like to spend my time reading, gardening, running, learning languages and exploring new places.