Mathematics · JCE / Pythagoras' theorem
Multiple choiceExam revisionForm 3 · JCE
A ladder 13 m long leans against a wall with its foot 5 m from the wall. How high up the wall does it reach?
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Mathematics · JCE / Pythagoras' theorem
A ladder 13 m long leans against a wall with its foot 5 m from the wall. How high up the wall does it reach?