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Un article trouvé pour ce sujet.
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The angle at the vertex of an isosceles triangle |
2015-11-25 |
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Karan pose la question :
I have been given an isosceles triangle. the Top angle is what i have to find out and the two sides adjacent to it are both 4.9 cm. i have been told that the area of the triangle is 4 cm^2. i have no idea how to work this out, any ideas?
Penny Nom lui répond. |
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