Dessiner un triangle DEF puis marquer la pint I milieu de [EF] :construire le point A ,symetrique de I par rapport a oa droite (DE) ,le point B symetrique de I oar rapport a la droite (DF) Prouver que EA=EI puis en deduire que EA=FV

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Which of the following statements is not true? a. parallel lines are lines in the same plane that never intersect. b. congruent figures have the same shape and same size angles and sides. c. similar figures must have the same shape and the same size. d. a rotation is when you turn a figure around a certain point.

Which of the following expressions is equal to 2x^2+8