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60.
s
5
¬
2
4
s
5
¬
4(2)
5
¬
8
61.
,
5
3,
w
5
¬
8,
s
5
2
,
w
1
ws
5
¬
3
?
8
1
8
?
2
5
¬
24
1
16 or 40
62.
,
5
3,
w
5
¬
8,
s
5
2
s
(
,
1
w
)
5
¬
2(3
1
8)
5
¬
2(11) or 22
Page 44
Geometry Activity: Constructing
Perpendiculars
1.
See students’ work.
2.
The first step of the construction locates two
points on the line. Then the process is very similar
to the construction through a point on a line.
Polygons
Page 48
Check for Understanding
1.
A regular decagon has 10 congruent sides,
so divide the perimeter by 10.
2.
Saul; Tiki’s figure is not a polygon.
3.
P
5
3
s
4.
Sample answer: Some of the lines containing the
sides pass through the interior of the pentagon.
5.
There are 5 sides, so the polygon is a pentagon.
A line containing side
N
w
M
w
will pass through the
interior of the pentagon, so it is concave. The sides
are not congruent, so it is irregular.
6.
There are 6 sides, so the polygon is a hexagon.
No line containing any of the sides will pass
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus

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