Isabelle proves that the triangles are congruent by
using the parallel lines to determine a second set of
angles are congruent. what statement and reason
could she have used?

step-by-step explanation:

sry but any answer choices

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

12

step-by-step explanation: