Lemniscate of Bernoulli

Lemniscate of Bernoulli

Shaded Fraction = ?

Shaded Fraction = ?

Rectangle in Square

Rectangle in Square = ?

Blue Fraction = ?

Blue Fraction = ?

Area Blue in Octagon = ?

Closed Curves with Epicycles

3-4-5 Triangle in a Square

3-4-5 Triangle in a Square

a : b : c = ?

a : b : c = ?

Total blue Area = ?

Total blue Area = ?

Coloured rotating Cardioids

Determine Angle ACG

Angle ACG = ?

Rotating Polygons

Line Segment AL = ?

Line Segment AL = ?

Rectangle Area = ?

Rectangle Area = ?

Intersecting perpendicular Parabolas

Congruent Parabolas Two Parabolas, one Ellipse

Two Parabolas, one Circle Two Parabolas, one Ellipse

Angle between Baselines of Semicircles = ?

Angle between Baselines

Solution included !

Four Circles, two Triangles

Four Circles, two Triangles

Cardioid by tracing Path of moving Point

Cardioid by moving Point NEW / ELABORATED

Coloured Cardioids

More Circles in a Parabola

Two Circles in a Parabola

Eight Circles in a Parabola

Side of equilateral Triangle = ?

Side of equilateral Triangle = ?

Side, Diagonal and Area

Side, Diagonal and Area

Area of two Squares

Shaded Area = ?

Arc black = ?

Arc black = ?

Blue / Orange = ?

Blue / Orange = ?

Find Angle X

Angle X = ?

Alternative Solution

Midsegment X = ?

Midsegment X = ?

Determine Angle DCE

Angle DCE = ?

Orange Area = ?

Orange Area = ?

Triangles in Nonagons

Triangles in Nonangon

Triangle in Nonangon