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98 because you have to make the inner triangles angles equal to 180 which is 82 and since the line on which x is located is straight it is equal to 180. set up an equation (180=x+82) and solve which is 98
dhedeepyapotluri

Answer:

x= 82°

Step-by-step explanation:

According to the angle sum property, sum of all angle in a triangle is 180°

45°+53°+x= 180°

98°+x= 180°

x= 180-98

x= 82°

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