Which of the following could be the sides of a right triangle?

Answer:
C. Only C could only be a right triangle
Step-by-step explanation:
A. 10^2+24^2 doesn't equal 26^2 so No N
B. 4^2+5^2 doesn't equal 9^2 so No N
C. 18^2+24^2 does equal 30^ so Yes Y
D. 1^2 +2^2 doesn't equal 3^2 so No N
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