Respuesta :

karolington

Answer:

65.5 degrees

Step-by-step explanation:

Triangles add up to 180 degrees. So, the last value has to make the rest add up to 180.

Let x be the unknown degree.

61 + 53.5 + x = 180.

You cancel out the 61 and the 53.3 by subtraction, making you get

x = 65.5

Hope I helped !!! :)

Marcus is drawing a triangle. He has used angle measures of 53.5 and 61º, So the third angle will be 65.5 degrees.

What is the angle sum property?

The angle sum property of a triangle states that the sum of the interior angles of a triangle is 180 degrees.

Let x be the unknown angle, by angle sum property

61 + 53.5 + x = 180.

x = 180 - 61 - 53.5

x = 65.5

Thus, the third angle will be 65.5 degrees.

Learn more about the triangles;

https://brainly.com/question/2773823

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