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Question

Sam observed the endpoints of a line segment using a broken ruler as 2cm and 9cm. The actual length of it is

A
7 cm
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B
8 cm
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C
10 cm
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D
9 cm
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Solution

The correct option is A 7 cm

Even a broken ruler can be used to measure the length of a line segment if it is long enough and the markings are visible.
The length of the line segment = 9 - 2 = 7 cm


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