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The area of a circular sector is given by: A = Θr²/2 where Θ ...

2 Answers · Science & Mathematics · 15/10/2020

Circle with radius, r, = 20 ft has a sector subtending a central 65° angle; Area of circle = 400pi ft^2;( Area of sector )/( area of circle) = (65/360). Area of ...

1 Answers · Science & Mathematics · 06/10/2020

...(θ) = -0.1r -rsin(θ) dθ/dt = -0.1r dθ/dt = 1/[10sin(θ)] The ratio of the sector areas is equal to the ratio of their central angles. Let w...

1 Answers · Science & Mathematics · 23/08/2020

...: A = πr² Given a full circle is 360°, the

**area of a sector**(with central angle θ) is a fraction of full circle --> θ/360° So the...4 Answers · Science & Mathematics · 11/08/2020

...120° = 2π/3 rad Area of the shaded segment = ( Area of the sector ) - ( Area of the triangle) = [(1/2) × 3² × (2π/3) - (1/2) × 3² × sin(120°)] ...

2 Answers · Science & Mathematics · 29/07/2020

... also is the area of the spherical surface of the sector . Volume of a sphere sector is proportional to the area of its spherical surface. ( sector volume) : (sphere volume) = 49[2 - √(2)]π : (sphere...

1 Answers · Science & Mathematics · 27/06/2020

...common point are congruent. a ) Perimeter of shaded region = 10√3...3) + 10√3 units. b) Area of shaded region = Area ... - Area of circle sector delineated by angle...

2 Answers · Science & Mathematics · 05/06/2020

**Area of a sector**of radius r and angle θ Area = ½r²θ... = ( OA ) tanθ AT = 9 tan(16/27) ━━━━━━━━━ Area of Triangle OAT Area = ½ ( OA )( AT...1 Answers · Science & Mathematics · 01/06/2020

...6)*pi =~ 52.359877559829887307710723054658 inches Round that off to 52.4 2)

**Area of**the circular pattern: pi * (20/2)^2 = 100*pi After removing the 60 degree**sector**: 100 * pi * (1 - (60/360)) = (250/3)*pi =~ 261.79938779914943653855361527329 square inches...4 Answers · Science & Mathematics · 29/05/2020

The

**area of a sector**of a circle with a radius of 15 cm is 75pi cm^2. ? Total circle Area ...cm^2 Now, 225π cm^2 area contains = 360 degrees 1 cm^2 area contains = 360 / 225π degrees, and 75π cm^2 area contains...11 Answers · Science & Mathematics · 28/05/2020

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