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11 December, 18:34

A triangle has side lengths 3 cm, 4 cm, and 5 cm. What is the area in square centimeters?

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  1. 11 December, 18:45
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    5^2=3^2+4^2 ⇒ the triangle has an ungle = 90 °

    The area is 3*4/2=6 cm^2
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