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Find the value of the variable that results in congruent triangles.

A. 80
B. 10
C. 50
D. 30
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Find The Value Of The Variable That Results In Congruent TrianglesA 80B 10C 50D 30 class=

Answer :

Answer:

x = 10

Step-by-step explanation:

Mathematically, the sum of the interior angles of a triangle is 180

Thus, we have it that;

55 + 45 + (5x + 30) = 180

100 + 5x + 30 = 180

5x = 180-30-100

5x = 50

x = 50/5

x = 10

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