Top 10.465

X = 3. R = 4.5

Green - Blue = 5 / 2 = 2.5

X = BCE = 15°

Shaded Fraction = 1 / 3

Yellow = 67.1769145362

Another Approach

Blue = 108 Square Units

Angle ACB = 42°

| AC | - | AB | = 2

Angle AKB = 135°

Two Circles in a Parabola

Eight Circles in a Parabola