1. Bell Ringer Segment EF is the midsegment of trapezoid ABCD.
   is the midsegment of trapezoid ABCD. Find the length of    if    = 90 and    = 50.
   is the midsegment of trapezoid ABCD. Find the length of    if    = 90 and    =                     
Bell Ringer
Segment EF is the midsegment of trapezoid ABCD.
Find the length of segment EF if
segment AB = 90 and segment
CD = 50.
Find the length of segment AB
if segment DC = 20 and segment EF = 40.

2. Given trapezoid ABCD, find the value of x and the length of segment AB and CD.

3. Write general algorithms for dissection.
3.3 Cutting Algorithms
Goals:
Devise and follow algorithms to dissect and rearrange one figure into an equal- area figure
Write general algorithms for dissection.

4. Algorithm: a process, a set of steps, that is completely determined
Elbow Partner: Think, Pair, Share Write an algorithm (precise steps) with clear vocabulary for a parallelogram to a rectangle.

7. Wi He cannot be sure that sides align properly
He cannot be sure the sides of the resulting figure are straight

8. Can you write another/different algorithm for triangle to rectangle transformation?

9. Write algorithm for trapezoid to rectangle transformation.

10. Homework
Pg. 182 – 183 #1 and 4