alleryA tin has diameter 14 cm, height 20 cm. A label leaves 2 cm free at top and bottom. Area (pi = 22/7)?
A704 cm2
B880 cm2
C1408 cm2
D616 cm2
Answer & Solution
Correct answer: A. 704 cm2
1. Label height = 20 − 2 − 2 = 16 cm, radius = 7 cm.
2. Area = 2πrh = 2 × (22/7) × 7 × 16.
3. That is 704 cm2; 880 cm2 uses the full height.
_Source: NCERT Class 8 Mathematics, Chapter 9 Mensuration, Exercise 9.2_
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