Top 10.404

10 / 9 = 1.11111111111

Blue Area = 14.0758384738

X = DT = 4.472135955

Orange = 7.87866859069

X = 17

Missing Angle DEG = 18°

Semicircle = 7.85398163397

Shaded Area = 4 / 3

EH = 4.35889894354

X = ADB / 7 = CAE / 3 = 12

Top 10.403

Angle EFG = 135°

Blue Area = 28.5898384862

Circle Area = 25.1327412287

Blue Area = 25 Square Units

Red / Blue = 0.8 = 4 / 5

AD = 3.92428337407

AB ⋅ BC = 36

Yellow is Similar to Green

Blue in Terms of R and BOC

Missing Angle = 22.5°

Top 10.402

Ratio of BF : CF = 2 / 7

Angle EDF = 45°

X = FM = 4.04145188433

Blue Area = 22.3290993693

sin ABE = 0.930604859102

Blue Area = 25 / 4 = 6.25

Angle BDC = BCD = 50°

ACD = ACB / 2 = 24°

Two Circles in a Triangle

Shaded Area = 10 Sq. Units

Top 10.401

Missing Height = 11

Angle BLG = 117°

Green Area = 30 Square Units

Yellow Area = 64 Sq. Units

Orange / Pink = 16 / 9

Shaded = 31.25 = 125 / 4

a / b = 1.61803398875

Blue Area = 12 Square Units

Blue Area = 80 Square Units

Blue Area = 122.718463031

Top 10.400

Missing Angle BAC = 20°

a + b = Baseline = 7

Blue Area in Terms of b

Golden Area / Blue Area = ϕ

Missing Angle BAF = 20°

Y in Terms of X = X √ 2

X = CL = 6.32455532034

Yellow Area = 14 Sq. Units

Shaded Fraction = 1 / 3

Shaded Fraction = 1 / 10