Respuesta :

The definition of a right triangle is a triangle with a right angle. Therefore one of the angles of the triangle is 90 degrees. The second angle is 61 degrees. The angles of a triangle sum to 180 degrees.
90 + 61 = 151
180 (sum of angle degrees in a triangle) – 151 (sum of 2 of angles of the triangle) = 29 (third angle measure)

Therefore the missing angle is 29 degrees
Hope this helps you! :)
JonHenderson55
Answer: " 29° " .
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Note:  This is a right triangle ; which means that one of the three (3) angles measures  90°.   By definition, all triangles have three angles.

We are given that one of the angles of this right triangle measures: "61° " .

We are asked to find the measurement of the "third" angle in this triangle.

Note that all three angles in ANY triangle add up to 180° .

So:  90 + 61 + x = 180 ; in which "x" refers to the measurement of the third angle;  We want to solve for "x" ;  

x = 180 − (90 + 61) = 180 − 151 = 29 ;   →  x = 29° .
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