The sides of the triangle are ( 10+ - 0.2)cm and (52+ - 0.1)cm. Calculate the perimeter with error limits.
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Answer:
l = (10.5 ±0.2) cm, b = (5.2 ±01) cm
Perimeter of a rectangle, p = 2 (l + b)
= 2 (10.5 + 5.2) = 31.4 cm
∆p = ±2(∆l + ∆b)
= ± 2 (0.2 + 01) = ±0.6
Perimeter of a rectangle = (31.4 ± 06) cm
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