Honors Geometry; 3/11

We went over a couple more review problems involving the area of shaded regions before getting started on the 2nd of our chapter 11 reviews.  The students used the rest of the period to work on the review.


Assignment:  chapter 11 Review #2


Review #2 answers.

1.  perimeter = 4w + 6;  Area = w squared + 3w
2.  151
3.  240
4.  105.84
5.  42
6.  222.7
7.  30 radical 3
8.  2 radical 3
9.  9
10.  triangle   r=5;  s = 5 radical 3;  p = 15 radical 3;  a = 5/2;  A = 75 radical 3 over 4
11.  square     r = 3 radical 2;  s = 6;  p = 24;  a = 3;  A = 36
12.  50 radical 3
13.  25/81
14.  12:17
15.  144:289
16.  220
17.  1.5
18.  16 radical 3 pi over 3
19.  25 pi
20.  56.52
21.  72

2nd page

1.  364
2.  1:3
3.  160;  120
4.  1/3 as much
5.  goes up 9 times
6.  144
7.  10 radical 5
8.  20 radical 14
9.  base 1 = 6;  base 2 = 18;  height = 10
10.  139.4
11.  33.12
12.  $1000
13.  6 square yards were added
14.  32
15.  137.8
16.  64 pi over 15
17.  16 pi
18.  large circle = 3 pi;   small circle = 3 pi over 4
19.  45 degrees
20.  16 - 2 pi