If the zero mark on the scale in your geometry-box is invisible, for correct measurement:

You will measure from the mark for 1 and subtract 1 from whatever reading you get

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You will draw the zero mark with your pencil

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You will use a thread for measurement

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You will use your palm to measure lengths

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Solution

The correct option is A
You will measure from the mark for 1 and subtract 1 from whatever reading you get

You will measure from the mark for 1 and subtract 1 from whatever reading you get

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Similar questions

Suppose you had to make some measurement and the only scale you had broke off. Think whether while using a meter/centimeter scale, it is okay to take measurements from some mark other than zero.

Q. Four children measures the length of a table which is about 2 m. Each of them uses different ways to measure it.
(i) Sam measures it with a half metre long thread.
(ii) Gurmeet measures it with a 15 cm scale from her geometry box.
(iii) Reena measures it using her hand span.
(iv) Salim measures it using a 5 m long measuring tape.
Which one of them will get the most accurate length? Give reason for your answer.

Q. Now, look at a scale that you find in a geometry box. How many centimetres does it have? _______
The small scale that you mostly use in school is like this one.

Is it easier to start measuring from the 0 mark? Look at the things drawn near the scale and find out their lengths.

Q. Which unit of measurement will you use to measure the length of a small object like a pencil?

Q. What measures will you take if your friend is bleeding from nose?

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If the zero mark on the scale in your geometry-box is invisible, for correct measurement:

The correct option is A You will measure from the mark for 1 and subtract 1 from whatever reading you get You will measure from the mark for 1 and subtract 1 from whatever reading you get

The correct option is A
You will measure from the mark for 1 and subtract 1 from whatever reading you get

You will measure from the mark for 1 and subtract 1 from whatever reading you get