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related to: area of a sector

1. ### Find the area of the sector formed by central angle θ = 2.6 in a circle of radius r = 4 inches. ?

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

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

2. ### Find the area of a sector of a circle with radius 20 ft and a central angle of 65°.?

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

3. ### Ends of a chord ( T and S ) slide along the circumference, such that chord TS always remains horizontal ....... ?

...(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

4. ### a central angle in a circle has a measure of 34.4 and the measure of the area of its sector is 139.6 square units. what is the radius?

...: 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

5. ### Area of Shaded Segment?

...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

6. ### Use polar coordinates to find the volume of the given solid. Above the cone z = sqrt x2 + y2 and below the sphere x2 + y2 + z2 = 49?

... 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

7. ### Can you please explain me how to solve this math question?

...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

8. ### A diagram shows a circle centre o,radius 9cm.The tangent to the circle at A meets OB produced at T.The area of the sector OAB is 24cm^2. ?

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

10. ### The area of a sector of a circle with a radius of 15 cm is 75pi cm^2. ?

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