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related to: how to find the area of a sector formula

1. ### Math problem?

... using the formula for the distance from a point to a lines, we find the transmitter is... the travel route. The sector of the circle crossed...inside the listening area is .. 48.600/103.726...

4 Answers · Science & Mathematics · 24/11/2017

2. ### Quick question on calculus (derivatives)?

... area of sector A = (πr²)·... 5. area of rectangle = 50×80...-40x+2000. To get a specific value...be given the value of x. However, you can find the minimum value of ...

2 Answers · Science & Mathematics · 01/09/2017

3. ### Minimum point for a perimeter equation?

I found the same minimum. Area of the circle is pi*r^2 The largest possible sector is the entire circle, with...be > sqr(100/pi) for the sector to be smaller than the circle...

3 Answers · Science & Mathematics · 27/02/2017

4. ### how do you find the angle in a sector ?

...unknown angle to 360 degrees should be the same as the ratio of the area of the sector to the area of the circle. First, find the area of the circle of radius 5.2: A = pi(5.2)^2 = 84.95 Then solve the following proportion: x/360...

2 Answers · Science & Mathematics · 27/02/2017

5. ### How do I find the central angle of this sector ?

... sector goes like this A =(1/2)(r^2)(θ) where A is the area of a sector , r is the radius, and θ is the Central angle solving for θ: multiply the equation to 2 so that we can cancel 1/2 2A=(r^2)(θ) divide both sides by r...

2 Answers · Science & Mathematics · 27/02/2017

6. ### Difficult "real-world" prob. Why would you differentiate to find the radius for a minor sector or a circle, if you only knew the perimeter?

... not possible to find the area or radius of a sector given only the perimeter. The only reason I can see for differentiating the area formula is in order to find the radius that will maximize that area . ...

1 Answers · Science & Mathematics · 15/08/2016

7. ### Find the area of the shaded region.?

... is: 204 / 330 Area is: x / (10000π) (since the are of the small section is... exact amount. A decimal approximation in ... (rounding to 2DP) or ...

2 Answers · Science & Mathematics · 19/06/2016

8. ### How to find central angle of a circle?

... the central angle sought = θ, the area of such a sector is ½ r² θ...1.12 · 360/2π = 64° [ or, if you prefer to work in degrees, use the formula for the area as πr² (θ/360) = 1400...

4 Answers · Science & Mathematics · 28/10/2015

9. ### Geometry Help Circles pls?

The arc length is 2*pi*30 ft/30 = 6.28 feet. The area of a sector is pi*(30 ft)^2 / 30 = 94.2 square feet.

3 Answers · Science & Mathematics · 10/06/2015

10. ### 2 Math questions?? Please help me I don't understand this.. :(?

...θ) Recall the famous formula : cos²(θ) + sin²...θ = 42 ° If you draw a circle with a radius if 5 cm, you can say that the circumference is: 2π.r...and you can say that the surface area is: (π.r²) for...

4 Answers · Science & Mathematics · 22/02/2015