Answer:
x = 17
Explanation:
Pythagoreme Theorme:
a2 + b2 + c2
8*2 + 15*2 = c2
289 = c2
17 = c --> x
23
first we flip the shape on its head so we can use pythagrean theroum so 8+15= 23squared is the hypotonuse.
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