Which of the following side lengths will not form a triangle? 4 km, 7 km, 2 km

5 m, 8 m, 4 m

3 cm, 5 cm, 7 cm

7 m, 7m, 7m

30

step-by-step explanation:

times by times

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5,-10,20,-40,30,-60

нσρє ι ¢συℓ∂ нєℓρ

  or  

sin y = 7/q

7 is the opposite side length, q is the hypotenuse

tan y = 7/r

7 is the opposite side length, r is the adjacent side length

using sohcahtoa ^^^^

cos y = adjacent/hypotenuse

cos y = r/q