Lesson 2 of 2Primary school~12 min
The Pythagorean Theorem
Hypotenuse, legs and calculations in a right triangle
You should already know:Perimeter and Area of a Square
The Pythagorean Theorem
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After this lesson you'll be able to:
- Compute the hypotenuse of a right triangle from c² = a² + b²
- Compute a leg when the hypotenuse and the other leg are known
- Use the converse to decide whether a triangle is right-angled
- Apply the theorem in word problems (diagonal, height, distance)