Let's Practice
Look at the figure.
line segment perpendicular to AB and
D
Copy the figure. Draw a line segment per
passing through point B.
Draw a line segment perpendicular to
2
ne segment perpendicular to AD and passing through point D
3
Extend each line segment you drew in
Label this point C.
gment you drew in Exercises 1 and 2 until they mee
the two line segments you have drawn?
What do you notice about the two line segments
What shape did you form?
5 Draw segment AC. Name the two right

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.