If a + b+ c = 9 and ab + bc + ca = 26, find a2 + b2 + c2.​

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

If a || b and e || f , what if the value of y ?