Example 3

Auteur :Walch Education

A 13-foot ladder leans against the side of a building. The base of the ladder is 5 feet from the building. Risa calculates that the top of the ladder rests

feet up the side of the building. How high does the ladder reach?

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GGB is Awesome!
Neuberg's Theorem
函數的單調性
רישום חופשי
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Screencast Project 2
Question 12
Kyara's Dynamic Unit Circle

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Fonction Tangente
Opérations Arithmétiques
Théorie des Ensembles
Statistiques