The correct answer is option B which is 55 the angle DEH will be 55.
What is trigonometry?
Trigonometry is the branch of mathematics that set up a relationship between the sides and angle of the right-angle triangles.
The angles are drawn in the given attached figure with the answer in which a protractor, with segment DEF along the bottom, EH point to the 55 degrees on the left, EJ to 90 degrees, EK to the 30 degrees on the right.
Therefore the correct answer is option B which is 55 the angle DEH will be 55.
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