Determinants are used to find the area of a:
ASphere
BFrustum
CTriangle
DCylinder
Answer & Solution
Correct answer: C. Triangle
1. The three vertices are entered into a determinant.
2. Its value gives the enclosed area.
3. So determinants help find the area of a triangle.
_Source: NCERT Class 12 Mathematics Part I, Chapter 4, Determinants._
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