T279

f(x) = sqrt(1 - x^(2))
A = Point(f)
B: (x(A), 0)
A_1: ((-x(A)), y(A))
B_1: ((-x(B)), 0)
m1, a, a_1, b_1, b = Polygon(A, A_1, B_1, B)
piiri = Perimeter(m1)
teksti1 = LaTeX(piiri, true, true)
S: a / a_1
teksti2 = LaTeX(S, true, true)