[b][size=150][size=100]In[/size][size=100]teract with the app below for a few minutes. [br][br]Be sure to change the locations of this triangle's vertices each time [i]before[/i] you drag the slider![/size][/size][/b]
[b][size=150]After interacting with the app above, what do you notice?[/size][/b]
[b][size=150][color=#ff0000]Triangle sum theorem: [br][/color]The sum of the interior angle measures of a triangle is 180 degrees.[/size][/b]
[b][size=150]Let's talk about the following problem together.[br][br][list][*]Find the measure of angle C.[/*][*]Check your answer by seeing if the 3 angles measures add up to 180 degrees.[/*][/list][/size][/b]
[b][size=150]Let's try the following problem together.[br][br][list][*]Find the value of x.[/*][*]Check your answer by seeing if the 3 angles measures add up to 180 degrees.[/*][/list][/size][/b]
[b][size=150]Try the following problem by yourself.[br][br][list][*]Find the value of x.[/*][*]Check your answer by seeing if the 3 angles measures add up to 180 degrees.[/*][/list][/size][/b]