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Question
question 3: une amie veut faire un vitrail composé de quatre vitres. voici le schéma de lœuvre quelle désire créer. a) quelle est la longueur du côté a. b) elle dispose de quatre couleurs de vitre. voici les couleurs disponibles. 85 cm² de vitre rouge 60 cm² de vitre bleue
Step1: Apply Pythagorean theorem
Let's consider the right - triangle formed to find side \(a\). The vertical side of the right - triangle is \(3\) cm and the horizontal side is \(8\) cm. According to the Pythagorean theorem \(c^{2}=a^{2}+b^{2}\), where \(c\) is the hypotenuse of the right - triangle and \(a\) and \(b\) are the other two sides.
\[a=\sqrt{3^{2}+8^{2}}\]
Step2: Calculate the value of \(a\)
\[a = \sqrt{9 + 64}=\sqrt{73}\approx 8.54\] cm
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\(a\approx8.54\) cm