6 Les suites A et B données ci-dessous sont-elles arithmétiques ? Si oui, préciser leur raison.
a) A: u, = 43; U2 = 36; uz = 30; 44 = 22
b) B:u, = -9; uy = -5,9; uz = -2,8; 44 = 0,3
6 Les suites A et B données ci-dessous sont-elles
arithmétiques ? Si oui, préciser leur raison.
a) A: u; = 5; uy = 13; uz = 21 ; u, = 29
b) B:u, = 1,2; 42 = 4; U; = 6,6; 4, = 9,4

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never