Top 10.885

X = ADE = 30

Radius R = 12

X = BC = 5

Top 10.884

Mathematical Proof

Green Area = 0.584308349347

X = BAC = 100

Diameter = 2R = 21 

X = EF = 9

Hexagon Area = 45.0333209968

AM / BC = 3 / 2 = 1.5

Pink Area = 10 if ABCD is a Square

X = AB = 13

X = CT = 9

Top 10.883

X = AD = 11

Orange Area = 55.1068501159

X = DE = 5

Blue Area = 24

Green Triangle Area = 12

Shaded Area = 96

Yellow Triangle Area = 30

X = ABF = 30

Perimeter ( ABCDEF ) = 15

Red Area = 2.01630825549

Top 10.882

Shaded Area = 14

X = BL = 12

Angle ACO = 15

Triangle Area = 210

Total Area = 49

X = CED = 35

Orange Area = 70.8333333333

Shaded Area = 27.2

Shaded Area = 18.8495559215

Green Area = 95.2949771589

Top 10.881

AL / CL = 2

X = FK = 4

Angle CEF = 135

NEW: Angle DJK = 60

Segment BF = 10

Orange Area = 22.201594968

Missing Perimeter = 2.09439510239

Angle BFG = 25

Missing Angle DPB = 84

Red - Green = 1.14159265359

Top 10.880

X = EF = 7

X = BFC = 63

X = BCD = 75

Red Trapezoid Area = 12

Yellow Area = 226.194671058

Area ( ABE ) = 12 / 13

Shaded Area = 13.4264177897

Angle CAK = 45

X = Angle AEB = 60

Area ( ABC ) = 15.5884572681