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Which of the following will NOT produce a triangle?
A. angle measures of 33°, 67°, and 80°
B. side lengths of 5 inches, 5 inches, and 9 inches
C. angle measures of 90°, 60°, 30°
D. side lengths of 4 inches, 8 inches, and 12 inches

Respuesta :

funrun2003
I think its d, because A and Cs angles make 180. And B has two equal sides that make it possible to make a triangle. Sorry i couldnt be more helpful
D. Side Length of 4 in, 8 in and 12 in
This is because of a theorem(Theorem-
a statement that can be proven) called Triangle Side Theorem. In this statement, 2 side of a triangle has to be bigger than one side. In this problem 4+8=12 is not greater than 12. Therefore meaning D doesn’t produce a triangle.
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