Top 10.79

Blue Area = 1

BF + DE = 6.33974596216

Radius R = 4.60977222865

Radius R = 20

Ratio a / b = 2 ^ ½

Blue Area = 28

Blue Area = 35.540012231

ABCD = DEFG = 72

R = 1 ⇒ Shaded Area = 2

How to rotate a Square 2

Top 10.78

How to rotate a Square 1

Red Area = ?

R = 0.669872981078

X = 0.409765516982

EF = 0.61803398875

Shaded Fraction = 7 / 9

Radius R = 5.83095189485

Area of Red Square = 8

Segment KM = 1.3997084

Radius R1 = 0.954915028

Top 10.77

Line Segment DH = 0.6

Blue Area = 1.3962634016

Line Segment CE = 4

Shaded Area = 10.280995

Orange Area = 3

BE = X = 6

Large R / Tiny R = 3

Area = ½ Baseline * Height

Radius R = 3

Perimeter of ABC = 17

Top 10.76

Shaded Fraction = 0.66047

Angle ABE = Alpha = 40.20

Area of Red Hexagon = 48

Angle BCD = 10

Coloured Fraction = 4 / 9

Shaded Fraction = ?

Red Area = 26

Radius of Red Circle = ?

Green Area = 15.5884573

Angle DEF = X = 132

Top 10.75

Shaded Area = R ^ 2

Height of Balloon = 86.60 m

Blue Fraction = ?

White Area = 0.147225859

Angle BAE = 75

DG / DE = 0.61803398875

Red Line Segment AF = 6

Area of Square = 12

Orange Area / Total Area = ?

Area of ABCD = 9.45