Investigate congruence by manipulating the parts (sides and angles) of a triangle. If you can create two different triangles with the same parts, then those parts do not prove congruence. Can you ...

STEP 1 - RIGHT TRIANGLE x 4: Take one piece of card and fold it in half, then fold it in half again... Image caption, ... use the ruler and pencil to draw a straight line across the bottom corner of ...

The buttons are meant to be used sequentially, and will appear in the order in which they are meant to be pressed. Be sure to allow all movements to cease before pressing another button, as this will ...

Two US college students discovered five new proofs of Pythagoras' theorem using trigonometry, expanding the theorem's understanding in a published study. In an remarkable academic achievement, two US ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form ...

In an extraordinary achievement that has stunned the global mathematics community, two high school students from Louisiana have developed a novel way to prove the Pythagorean theorem—and their ...

Two high school students have proved the Pythagorean theorem in a way that one early 20th-century mathematician thought was impossible: using trigonometry. Calcea Johnson and Ne’Kiya Jackson, both at ...

Two young mathematicians, Calcea Johnson and Ne'Kiya Jackson, made headlines with a groundbreaking discovery in mathematics. In 2022, as high school students, they found a new approach to proving ...