Question

A student has to measure the length of his pencil. The zero mark on the scale is
not clearly visible. How should he use the scale to get the correct length of the
pencil? Explain it by giving an example

Answer 1

Answer:

keep your scale on marking 3cm and if the length of the  pencil is 12cm the actual length is 9cm. 12-3= 9cm

Explanation:

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