alleryThe area under a curve is thought of as being composed of many thin:
AVertical stones
BVertical strips
CVertical stripes
DVertical stairs
Answer & Solution
Correct answer: B. Vertical strips
1. The region is cut up so that each piece is nearly a rectangle.
2. Each piece has a height given by the curve and a tiny width.
3. The area is thought of as composed of a large number of very thin vertical strips.
4. Adding them all up gives the integral.
_Source: syllabus Mathematics Part II, Ch 8 'Application of Integrals'_
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