Exercice 2 1. Définir un losange. 2. Donner les propriétés communes entre un losange et un parallélogramme. 3. Donner les propriétés qui se trouvent dans un losange et ne se trouvent pas dans un parallélogramme.

AE va \( B D \) kesmalar \( C \) nuqtada. kesishadi. Lgar \( D C=D E, \& B=B C \) va \( \angle B a C=48^{\circ} \) balsa \( \angle C E D \) i. toping.

Example 5 : (Applications) A ball is thrown 6.4 m into the air. The ball falls, rebounds to \( 60 \% \) of its previous height, and falls again. If the ball continues to rebound and fall in this manner, fin the total distance the ball travels until it hits the ground for the fifth time.

construct a \( \triangle A B C \) such that : \( A B=6 \mathrm{~cm}, B C=4 \mathrm{~cm} \) and \( C A=5.5 \mathrm{~cm} \)

ostruiscitre segmentiadiacentie allineati sul- a stessa retta in modo che \( A B<C D<E F, B \equiv C e \) \( D \equiv E \). Trova il punto medio del segmento som- ma \( A F \).

Son o'qida \( \mathrm{A}(4,8) \) va \( \mathrm{B}(-7,2) \) nuqtalar berilgan. AB kesma o'rtasining koordinatasini toping.