Top 10.971

X = AC = 7

 

Top 10.970

[ ABCD ] = 24192. Perimeter = 744

X = AE = 8

Pink Area = [ ADCFG ] = 5 u ^ 2

X = Angle BMN = 40

X = BAD = 30

[ ADFE ] = 2

X = BD = CD = 5.59016994375

Red Area / Green Area

X = 6

Shaded Area = [ ABED ] = 12480

Top 10.969

C2 = 5 ⇒ [ ADH ] = 9.73797335178

X = Sqrt 104

Cyan Area = 0.459581010516

Shaded Area = 2

X = AD = 8

X = DE = 22.360679775

Green / Orange = 5

X = BAC = 100

[ ABC ] = 10

X = Angle ABC = 45

Top 10.968

Semicircle Area = 39.2699081699

X = AB = 16

Blue Area = 8.48528137424

Radius R = 3.32820117735

Green R / Yellow R = 0.795317607

CD = 51 / 5 = 10.2

GH = 1.41421356237

Radius R = 2.5 = 5 / 2

X = CD = 19

2 [ BGLM ] / [ ABCDE ] = 3

Top 10.967

Shaded Area in Terms of R

Shaded Area = R ^ 2 / 4 

X = b - k = 108 - 9 = 99

Circle Radius R = 17

Elaborated

X = ABC = 30

Quarter Circle Radius R = 5

X = Angle ABC = 50

Triangle ABC Area = ?

X + Y + Z = 24.0701869231

X = AED = 165 / 2 = 82.5

X = A2 = 8

Top 10.966

Angle KCL = 45

X = DCF = 63

Rectangle DEFG Area = 200

X = ALD = 81

BC = 29 / 2 = 14.5

X = BC = 3.46410161514

X = BEF = 30

Volume of Coloured Lampshade

Blue Area = 26.6506350946

Shaded Area = R ^ 2 / 4