A is the correct answer because it doesn’t relate to korean war
According to the partnership of 21st century learning critical thinking ability includes all of the following skills except solve problems.
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Answer:
x = 70°
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
120° is an external angle of the triangle, thus
x + 50 = 120 ( subtract 50 from both sides )
x = 70