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the length and breadth of a rectangle are (5.7+_ 0.1 ) cm and ( 3.4+_ 0.2) cm respectively . calculate the area of the rectangle with error limits |
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Answer» L= 5.7±0.1 cm B=3.4±0.2cm A=9.69 cm ∆A/A=∆L/L+∆B/B ∆A/A= 0.1/5.7+0.2/3.4 = 74/969
∆A=(74/969).A ∆A=(74/969)9.69 ∆A=0.74 Area= 9.69±0.74 |
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