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The side AB, which forms part of angle A, is called the side:
AHypotenuse
BVertical
CAdjacent
DOpposite
Answer & Solution
Correct answer: C. Adjacent
1. AB is one arm of angle A.
2. A side that touches the angle is next to it.
3. So AB is the adjacent side.
_Source: NCERT Class 10 Mathematics, Chapter 8, Introduction to Trigonometry._
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