Illustrations generated with OpenArt. Narration uses free local Kokoro neural voices. Illustrations are visual aids; the written
lesson carries the explanation.
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Build three squares
Draw a right triangle with perpendicular sides 3 and 4. Build a square on each side.
3² + 4²
Count the area
The small squares have areas 9 and 16. Together that is 25 square units.
9 + 16 = 25
Find the long side
The square on the hypotenuse has area 25. Its side is the square root of 25: 5.
√25 = 5
Check the condition
The formula applies to right triangles. The hypotenuse is always opposite the right angle.
a² + b² = c²
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