What is the missing step in this proof? a. statement: slope of `bar(df)` = slope of `bar(bc)` reason: definition of slope b. statement: slope of `bar(df)` = slope of `bar(bc)` reason: transitive property of equality c. statement: df = bc reason: corresponding sides of congruent triangles are congruent. d. statement: `delta`adf ~=`delta`abc reason: asa

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .