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Question

The perimeter of the triangle given is 12 cm. What does x measure?


A

7 cm

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B

4.5 cm

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C

4 cm

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D

6 cm

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Solution

The correct option is C

4 cm


Given that the perimeter is 12 cm and two sides are 3 cm and 5 cm, the missing side, i.e.,
x=[12(3+5)] cm
=(128) cm=4 cm


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