Geometry assignment; April 10

We continued our work with areas of polygons today by reviewing the homework and making a formula notecard for the quiz tomorrow.  We went over some sample area problems that involve perimeter in class before starting the assignment that deals with more practice problems.

Assignment:  area of polygons worksheet


Answers appear below  (all the answers are listed, but not all the problems were assigned)

Section 11-2 side

1.  231 square inches
2.  72 square millimeters
3.  160 square inches
4.  264 square cm
5.  99 square cm
6.  115 square mm
7.  7 cm
8.  19 inches
9.  8 times square root of 5   (or 17.9)
10.  16 times square root of 3   (or 27.7)
11.  400 square cm
12.  x squared - 25
13.  length = 20 cm;  width = 15 cm
14.  96
15.  $1000
16.  70.7 square feet]


Section 11-3 side

1.  45
2.  200
3.  208
4.  56 times square root of 3    (97.0)
5.  297
6.  108
7.  7
8.  8
9.  220
10.  height = 16;  perimeter = 136
11.  area = 160;  median = 20
12.  height = 16
13.  33 km
14.  128 square feet

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