Geometry; 12/8

We went over the homework from our trapezoids assignment before going through 3-4 review problems in preparation for the test tomorrow.  The students then used the rest of the period to work on their review sheet.  The answers to the review sheet appear in the space below.


Assignment:  Chapter 5 review sheet


Trapezoids

1.  16
2.  17
3.  4
4.  8
5.  2
6.  78
7.  angle DEF = 63 and angle D = 117
8.  angle B = 72 and angle C = 108
9.  EF = 13
10.  DC = 15
11.  angle A = 65, angle D = 115, angle C = 115
12.  angle B, angle CFE, angle DEF
13.  LM = 10,   GH = 15
14.  JK = 6, GH = 18
15.  x = 12
16.  LM = 24, JK = 12
17.  JK = 2x,   x = 1.2

Special Parallelograms

1.  T
2.  F
3.  F
4.  F
5.  F
6.  F
7.  rectangle
8.  rhombus
9.  rhombus
10.  square
11.  rhombus
12.  17
13.  15.5
14.  17
15.  angle TZW = 70,  angle WTZ = 40
16.  35
17.  90
18.  90
19.  55
20.  70
21.  110
22.  25
23.  9
24.  18
25.  LA = 13;  AO = 13
26.  LO = 17;  LS = 8.5
27.  angle ACO = 45;  angle CLA = 90