Question

The sides of a rectangle re (10.5+0.2) cm and (5.2+0.1) cm. Calculate perimeter with error limits.

Answer 1

HEYA!
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$perimeter \: \: of \: \: a \: \: rectangle \: = 2 \times (l + b) \\ \\ = > 2 \times (15.7 \frac{ + }{ - } 0.3) \\ \\ = > 31.4 \frac{ + }{ - } 0.6 \: cm$
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