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nuccioreggie
 one year ago
Find the measure of angle x in the figure below:
A triangle is shown. At the top vertex of the triangle is a horizontal line aligned to the base of the triangle. The angle formed between the horizontal line and the left edge of the triangle is shown as 56 degrees, the angle formed between the horizontal line and the right edge of the triangle is shown as 51 degrees. The angle at the top vertex of the triangle is labeled as y, and the interior angle on the right is labeled as 72 degrees. The interior angle on the left is labeled as x.
35°
47°
73°
78°
nuccioreggie
 one year ago
Find the measure of angle x in the figure below: A triangle is shown. At the top vertex of the triangle is a horizontal line aligned to the base of the triangle. The angle formed between the horizontal line and the left edge of the triangle is shown as 56 degrees, the angle formed between the horizontal line and the right edge of the triangle is shown as 51 degrees. The angle at the top vertex of the triangle is labeled as y, and the interior angle on the right is labeled as 72 degrees. The interior angle on the left is labeled as x. 35° 47° 73° 78°

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1we have: 56+y+51=180> flat angle x+y+72= 180> sum of interior angles of a triangle

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1solve the first equation for y, what do you get?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1hint: 107 + y = 180 y= 180 107 y=...?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1what is 180107=...?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1ok so y= 73 now i substitute y=73 into the second equation, so I can write: x + 73 + 72 = 180 x + 145 = 180 x= 180  145 x=...?
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