#anglesonaline#anglesaddto180#lesson10[br][br]Use the applet to practice finding the value of the missing angle.[br][br]Practice first before you answer the questions [br][br]You can change the value of all the angles by moving the points. [br][br]Find the missing angle ,<ECF value and check your answers.[br][br]
If <BCD is 52° and <DCE is 48° and <FCA is 32°, what is the measure of <ECF?
Are these supplementary angles?
What do you know about angles on a line?