Answer:
[tex]15^{2}[/tex] = 225
[tex]8^{2}[/tex] = 64
[tex]17^{2}[/tex] = 289
[tex]15^{2}[/tex] + [tex]8^{2}[/tex] + [tex]17^{2}[/tex]
= 225 + 64 = 289
289 = 289
Hence its a right angled triangle
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