Question

do these measurements form a right triangle?
side 1: 18
side 2: 82
side 3: 80

show your work here
hint: to add the square root symbol ($\sqrt{\square}$), type
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Explanation:

Step1: Identify hypotenuse (longest side)

Longest side = 82, so test $18^2 + 80^2 = 82^2$

Step2: Calculate left-hand side (LHS)

$18^2 + 80^2 = 324 + 6400 = 6724$

Step3: Calculate right-hand side (RHS)

$82^2 = 6724$

Step4: Compare LHS and RHS

$6724 = 6724$, so Pythagorean theorem holds.

Answer:

Yes, these measurements form a right triangle.