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Snuffs
Apply the Pythagorean Theorem.

a^2 + b^2 = c^2
The largest side is always C.
so 8^2 + 15^2 = 17^2
64 + 225 = 289

The equation true is so it is a right triangle
rameshani1204

Remember that for a triangle to be right, it has to follow the Pythagorus theorem. a^2 + b^2 = c^2

so 8^2 + 15^2 = 17^2

if this doesn't equal to each other, it can't be a right triangle.

but it does so it is a right triangle