There are 18 rows of seats in the auditorium they are 24 seats in each row how many seats are in the auditorium in all

Secant be and cf intersect at point d inside a what is the measure of cde

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove