What is the length of ab?

a. 18
b. 12
c. 3
d. 9

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.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

In the diagram, gef and hef are congruent. what is the value of x