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Calculate the length of the unknown side in each of the following right-angles triangles.please answer this question |
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Answer» Answer: Length of unknown side = 12cm Step-by-step explanation: According to PYTHAGORAS theorem, a² + b² = c² ( hypotenuse) So, a² + 9² = 15² a² + 81 = 225 a² = 225 - 81 = 144 therefore, a = 12 CM ( since 12 × 12 = 144) HOPE it helps
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