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1. ### Math question on area of a sector ?

360° is a full circle. 72° is 1/5 of a full turn of a circle. => 9π inches² is the total area . Area is πr² = 9π => r² = 9 i.e. r = 3 inches :)>

2 Answers · Science & Mathematics · 02/08/2012

2. ### how do you find the area of a 16 sector shape?

A presumed answer would be to find the area of each section and add the areas up to find the total area of the shape. But the question is very vague.

2 Answers · Science & Mathematics · 03/05/2008

3. ### How do you prove the area formula of a sector ?

Well, think about the formula for area giving a *full circle*. Here the central angle would be 2 pi. And the area would...

2 Answers · Science & Mathematics · 28/01/2008

4. ### The radius of a clock is 8 inches.?

Area of a circular sector , A ( sector ) = ½θ...2π – [ ⅙π + 33/60ths of ⅙π] simplifying...θ = (101/120)π radians ∴ A ( sector ) = ½θr² = ...

1 Answers · Science & Mathematics · 14/10/2011

5. ### Area of a sector -math hw plz help?

Area of a sector is 1/2r²Θ and theta has to be in radians...24 2/3)*π/180 = =.4305 radians now you can use the first formula A =1/2 (38)² (.4305) A =310.8 m²

2 Answers · Science & Mathematics · 06/12/2009

6. ### finding the area of a sector in a circle?

... of the entire circle is πr² = π·21² = 441π mi². A 60° sector represents 60°/360°, or 1/6 of the circle. Therefore, the area of the sector = 1/6 of 441π mi² = 147π/2 mi² ≈ 230.9 mi²...

6 Answers · Science & Mathematics · 10/07/2013

7. ### How to calculate the area of a circle's sector ?

area of circle is pi.r² that is for 360 degrees ( 2pi ...theta / 2pi that is r² . theta / 2 when theta is = 1 radain area is r²/2 here r is 2 so answer is 4/2 = 2 sqcm

1 Answers · Science & Mathematics · 12/05/2012

8. ### Find the area of a 120° sector of a circle whose radius is 6.?

In general, to do area of sector problems, you want to find the total area of the circle and then find only the area of that...the circle can be found by the formula A = pi*r^2. Now, what you are...

7 Answers · Science & Mathematics · 13/01/2009

9. ### Finding angle given area of a sector and radius?

...the part/whole proportion arc/circum = sector /whole area arc/2pi r = 15.3/pi r^2 . . . and...2 meters PS none of these answers are "larger than a full circle", they are however...

2 Answers · Science & Mathematics · 11/03/2012

10. ### Finding angle given area of a sector and radius?

...the part/whole proportion arc/circum = sector /whole area arc/2pi r = 15.3/pi r^2 . . . and...2 meters PS none of these answers are "larger than a full circle", they are however...

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