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

**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

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

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

**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 m²2 Answers · Science & Mathematics · 06/12/2009

... 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

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

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

...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

...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