(30/360)*π(4)^2 Find area of 30 out of the 360 degrees and use area formula

1 Answers · Science & Mathematics · 18/02/2012

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**the area of a**circle. You will also learn**how to find the area of a sector**, which is**a**slice**of a**circle, similar**to**...slice**of**pie or pizza. Circumference**Formula Find**great deals and save! ...12 Answers · Education & Reference · 09/11/2009

There are two common (but not

**the**only) methods**to**solve 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 ...1 Answers · Science & Mathematics · 03/07/2013

**Area of**triangle = (b * h) /2 where b - base**of the**triangle and h - height**of the**triangle**Area of a sector**= pi * r^2 * theta / 360 where pi = 3.14 r - radius**of the sector**theta - angle**of the sector**1 Answers · Education & Reference · 18/03/2014

... at the center between the two radius points at the ends of the arc . θ must be in radians] area of a sector = (1/2)θr²,[ this is the area between the arc, and the two radius ...

1 Answers · Science & Mathematics · 10/12/2013

You need to use 2π in place of 360 because the 360 is degrees but the angle 3π/2 is in radians. Or, you can change 3π/2 to degrees (270 º) 270/360 • π (4²) 3/4 π • 16 12π

1 Answers · Education & Reference · 23/05/2013

... more than one way

**to find**arc length and**sector area**. It depends on..., Height**of**segment, Central ...two**of**these, you can calculate**the**rest. :::::**A sector**is**a**wedge**of the**...1 Answers · Science & Mathematics · 10/07/2013

**The formula**for arc length is**a**fraction**of the**whole circumference based on**the**central angle.**The formula**for**sector area**is**a**fraction**of the**whole**area of a**circle based on**the**central angle.1 Answers · Science & Mathematics · 16/07/2013

Sectors are a bit like triangles with altitude r and base rθ, the arc length of the sector . So the area is (1/b)(base)(altitude... designed to make all these formulas simple.

2 Answers · Science & Mathematics · 11/01/2010

πr².(θ/2π) =r²θ/2

3 Answers · Science & Mathematics · 11/04/2010