Problem:
Using a table of a certain height, two identical blocks of wood are placed as shown in Figure . Length is found to be inches. After rearranging the blocks as in Figure , length is found to be inches. How high is the table?
Answer Choices:
A. inches
B. inches
C. inches
D. inches
E. inches
Solution:
Let and represent the height of the table and the length and width of the wood blocks, respectively, in inches. From Figure on the exam, we have . From Figure we have . Adding, and .