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1. ### 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 ...

11 Answers · Science & Mathematics · 28/05/2020

2. ### Find Perimeter of Sector ?

The perimeter of the sector given  the angle to be 30° and radius 5 inches: 10 pi / 12 + 10 = 12.617993877991495 inches

6 Answers · Science & Mathematics · 04/04/2020

3. ### 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...

1 Answers · Science & Mathematics · 01/06/2020

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?

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

By the ratio of the two sectors , I suppose you mean minor and major sectors TS. Referring...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...

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

... of the circular pattern: 20 * pi After removing the 60 degree sector : 20 * pi * (1 - (60/360)) = (100/6)*pi =~ 52.359877559829887307710723054658 inches ...

4 Answers · Science & Mathematics · 29/05/2020

7. ### 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...

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

8. ### 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?

... radius 7. The region you defined (sort of) is a conic sector . Find the height of the circle where cone meets sphere. z = r z = √(49...

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

9. ### what are the parts of a circles?

Parts of a circle are: radius, diameter, circumference, chords, sectors , segments, tangents and its area is pi*radius ...

3 Answers · Science & Mathematics · 02/11/2019

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

... region = Area of two triangles - Area of circle sector delineated by angle AOB.     Area of shaded region...

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