paulondon14 paulondon14

29-01-2018
Mathematics

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

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dannielle dannielle

04-02-2018

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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