3. The size of flat-screen TVs are usually based on the diagonal measurement across the screen. If a flat-screen TV has a height of 26 inches and a width of 40 inches, what is the diagonal measurement of the TV? a. Draw a right triangle to represent this situation. Label the lengths of the known sides. Label the length of the unknown side x. b. Use the Pythagorean theorem to find the length of the missing side. Be sure to indicate which root represents the answer and write the answer in simplest radical form. c. Use a calculator to change the answer to decimal form. Round the answer to the nearest tenth. Using this decimal number, write a sentence to explain the meaning of the answer in this situation.