Correct Answer: Option A

Explanation

Angle of Excellence
= 360 - (120+80+90)
= 360 - 290
= 70o
If 360o represents 36 students
1º will represent \(\frac{36}{360}\)
50° will represent \(\frac{36}{360}\) * \(\frac{70}{1}\)
= 7

There is an explanation video available below.

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