Prove that
Show that
verify that
Deduce that
Justify that

Factorize
develop
Simplify
Reduce
Solve
Perform
Calculate

Observe
Draw
Construct
Place
plot
Reproduce
Translate

Equal
equidistant
equality
isometrics
Isosceles
equivalent
Symmetry

Triangle
parallelogram
rectangle
point
circle
Area
Perimeter
figure

complete
Conclusion
Represent