Calculating GCD and Length of AC in Right Triangle ABC
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GCD, Euclidean algorithm, right triangle, Brevet National Diploma, DNB, mathematics exam
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Abstract
Preparation for the Mathematics Exam at the Brevet National Diploma (DNB) - Level 3ème, solving exercises on GCD and right triangle calculations.
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[...] 7 divides 126 and we have : 126 = 7 * 18 The GCD of and 126 is therefore 7. There will therefore be 7 basins. We have : 154 = 7 * 22 and 105 = 7 * 15 The basins will each contain 22 fish of type A fish of type B and 18 fish of type C. Exercise 2 : The triangle ABC is a right triangle at B. So we have : The length of AC is approximately 87 meters. The triangle EFG is a rectangle in so we have: The angle measure approximately 7°. [...]
