Question: 4. AABC is right-angled at C. Also, BC = a, AC =b, and the length of the altitude from C' to AB is h. (a)

4. AABC is right-angled at C. Also, BC = a, AC =b, and the length of the altitude from C' to AB is h. (a) Prove that h2 (b) Prove that (c + h)2 = (a + b)2 + h2

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