1. Move the side scaling sliders and see when the 
triangle are similar
2.  Write down the corresponding sides and angles after measuring

You can also change the dimensions of 
the first triangle by changing the sliders
 for sidelength

Show angles

Show sides

Show ratios

side1scaling = 1 (slider from 1 to 10, step 1)
side2scaling = 1 (slider from 1 to 10, step 1)
side3scaling = 1 (slider from 1 to 10, step 1)
A = (-4.71, -6.925)
side1length = 6 (slider from 1 to 10, step 1)
B = Point(Circle[A, side1length])
a = Segment(A, B)
side2length = 7 (slider from 1 to 10, step 1)
side3length = 5 (slider from 1 to 10, step 1)
c = Circle(A, side2length)
d = Circle(B, side3length)
C = Intersect(c, d, 1)
b = Segment(A, C)
e = Segment(C, B)
triangle2side1: (side1length * side1scaling)
triangle2side2: (side2length * side2scaling)
triangle2side3: (side3length * side3scaling)
D = (6.315, -8.725)
E = Point(Circle[D, triangle2side1])
f = Segment(D, E)
g = Circle(D, triangle2side2)
h = Circle(E, triangle2side3)
F = Intersect(g, h, 1)
i = Segment(D, F)
j = Segment(F, E)
α = Angle(B, A, C)
β = Angle(A, C, B)
γ = Angle(C, B, A)
δ = Angle(E, D, F)
ε = Angle(D, F, E)
ζ = Angle(F, E, D)
distanceDF = Distance(D, F)
Midpoint(D, F)
TextDF: Name[D] + (Name[F]) + " = " + distanceDF
distanceFE = Distance(F, E)
Midpoint(F, E)
TextFE: Name[F] + (Name[E]) + " = " + distanceFE
distanceED = Distance(E, D)
Midpoint(E, D)
TextED: Name[E] + (Name[D]) + " = " + distanceED
distanceAB = Distance(A, B)
Midpoint(A, B)
TextAB: Name[A] + (Name[B]) + " = " + distanceAB
distanceBC = Distance(B, C)
Midpoint(B, C)
TextBC: Name[B] + (Name[C]) + " = " + distanceBC
distanceCA = Distance(C, A)
Midpoint(C, A)
TextCA: Name[C] + (Name[A]) + " = " + distanceCA
k = false
l = false
Ratio1: distanceAB / distanceED
text4: "Ratio of corresponding sides 1 = AB/DE = " + distanceBC + "/" + distanceED + " = " + Ratio1 + ""
Ratio2: distanceBC / distanceFE
Ratio3: distanceCA / distanceDF
text5: "Ratio of corresponding sides 3 = CA/FD = " + distanceBC + "/" + distanceDF + " = " + Ratio3 + ""
text3: "Ratio of corresponding sides 2 = BC/EF = " + distanceBC + "/" + distanceFE + " = " + Ratio2 + ""
m = false