Help picture below problem 14

Help Picture Below Problem 14 class=

Answer :

Answer:

value of missing angle is..57°

Step-by-step explanation:

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given:

54° and 69°

to find:

the missing angle of the triangle.

solution:

let's consider the missing angle as n.

sum of interior angle of triangle= 180°

n+54°+69°= 180° (adding up to sum of interior angle of triangle)

n+123°= 180°

n= 180°-123°

n= 57°