Review For Problems 1 and 2, refer to rhombus . 1. If ; find x. 2. If and , find x. For Problems 3 and 4, refer to rectangle . 3. If NY = 9, find XZ. 4. If WZ = y, XY = x + 11, ZY = -4x + 27 and WX = x + 2, find x and y.

#31 6.5 p. 359: 10-24, 28-33, 37, 38, 48-52

CV CV CV rhombus square kite ____________ ____________ ____________

rhombus rectangle Isosceles trapezoid

Areas of Polygons This is the last section before the test. It involves pure memorization. You have these equations in your notes. Just listen, learn, and answer questions when asked!

6.7 Areas of Triangles and Parallelograms congruent sum

bh bh

A=bh A=bh A = ½ (16 x 9) 60=6h A=4x8 A = ½ (144) A=32 sq. units 10 units=h A = 72 sq. units

A= ½ (7)(6+14) A = ½ (22x16) A = ½ (40x18) A = (11)(16) A= ½ (7)(20) A = (20)(18) A = 176 u2 A= ½ (140) A = 360 u2 A= 70 u2