Author: Created by Mr Lafferty@mathsrevision.com
Date: 29 March 2013

Area  of Sector for a Circle

\frac{Area of Sector}{\pi r^2}=\frac{x^{o}}{360^{o}}

$ Area of  Sector=\frac{x^{o}}{360^o} ×\pi r^2$

A = (5.126778702825931, 1.5367091304817064)
B = (8.130692367294845, 1.4928563762558822)
c = Circle(A, B)
a = Segment(A, B)
C = Point(c)
b = Segment(A, C)
α = Angle(B, A, C)
d: 2 * a
text3_1: "$ Area of Sector=\frac{" + (LaTeX[α]) + "}{360^o} ×\pi×" + (LaTeX[a^(2)]) + "$"
e = CircleSector(A, B, C)
text4: "$ Area of Sector = " + (LaTeX[e]) + " $"