**The area of a circle**is pi*r^2 and there are 360 degrees in**a circle**- that's all**the**information you need (you can look up**a**value for pi if your calculator doesn't have it).1 Answers · Science & Mathematics · 30/05/2013

**The**clock face is 360degrees giving: 1min = 6degress or 1/60**of the area**1hr = 30degress + 0.5degress(each minute after**the**hour) or 1/12 + 1/720 per minute Knowing**A**=pi*r^2 for**the**whole**area**and: r for**the**minute hand is 8.4cm r for**the**hour...1 Answers · Science & Mathematics · 05/11/2013

The sector of a circle has an area of 24π in^2 and...find out the measurement of the central angle. To...this, simply set up a proportion ... to area ..........degrees...

3 Answers · Education & Reference · 20/05/2014

...complete

**circle**has three hundred sixty degrees, so**a**sixty degree angle**sector**has**area**that is one-sixth**the area of a**full**circle**.**Area of circle**:**A**= Pi*r^2**Area of sector**: S...4 Answers · Science & Mathematics · 23/09/2015

... by two radii

**of a circle**and**the**arc**the**two radii subtend.**The**arc**of the circle**is equal in... each r,**the**are**of sector**is simply**area of**entire**circle**times x...2 Answers · Science & Mathematics · 19/05/2011

...this. First method: (By formula) Note that

**the**formula for**the area of a sector**is 1/2 * r^2 * theta, where r is**the**radius**of the circle**(which is 4m in this case) and theta is**the**angle formed by**the**...1 Answers · Science & Mathematics · 03/07/2013

...re supposed to be brain-dead. So

**the**above answer isn't legit.**The area of**one**sector**is: (angle/360) * pi * r^2 and**the**second is: (angle/360...1 Answers · Science & Mathematics · 10/05/2010

**Area of the sector**(**A**) /**Area of the Circle**(PI * r^2) = central angle measure / 360 Solve it as**a**proportion like...1 Answers · Education & Reference · 18/04/2012

... 5pie cm." I will assume it should state: "

**The area of a sector**is 5pie cm^2." Make**a**ratio involving**the**areas and angles**of the**arc and**the**entire**circle**: (Angle**of the**arc / Angle**of the**entire**circle**) = (**Area of**arc...2 Answers · Science & Mathematics · 20/11/2013

... 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