Page with formulas and the Pythagorean theorem with pen and pencil
Schlüsselwörter
geometry,
triangle,
mathematic,
school,
formula,
pythagoras,
mathematic,
theorem,
equation,
drawing,
right,
square,
lesson,
white,
mathematician,
concept,
science,
geometric,
algebra,
learn,
class,
instructing,
study,
cognition,
board,
elementary,
basic,
page,
pen,
crayons
Deutsch
