Which of these four sets of side lengths will form a right triangle? set 1 4 cm, 5 cm, 6 cm set 2 8 in., 12 in., 20 in. set 3 10 mm, 20 mm, 30 mm set 4 12 ft, 16 ft, 20 ft

The table respent two linear functions the equation respented by the first tables is given

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.