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Construction of Parallel Lines

Draw the figu...

Question

Draw the figure according to the given information and answer the questions.

When A-B-C, $l (A C) = 12, l (B C) = 7.5$ then $l (A B) =$ ?

A

3.5

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B

2.5

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C

4.5

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D

5.5

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Solution

The correct option is C 4.5
Assuming the points lie in a line and the measurements are in cm, we draw a line AC and BC with point B between A and C .
Now, $A B = A C - B C = 12 - 7.5 = 4.5$

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