5
Performance Task No. 1:
A. Given a line with 15 points, how many segments and rays were formed?
Investigate!
A
С D
Figure 1
E
Figure 2.
.
F G H
K L M N
Figure 3
Figure 4 +
1. Study Figure 1: How many points are given? How many segment/s is/are formed?
How many rays?
2. How many points are there in Figure 2? How many segments were formed? How many rays?
3. Study Figure 3 and 4. Count the number of points on the line. How many segments were
formed? How many rays?
4. Draw a line with 6. 7. 8 points. Count the number of segments and rays formed.
What pattem have you observed? Use this pattern to answer how many rays and segments
were formed with 15 points on the line? With n points?
I
5. Write your answers in the table below. The first 4 was done for you.
What if there are n points, how will you find the number of segments formed? The
number of rays?
h 1900
5
6
7
2.
1
3
3
4
6
8 15
n
No. of points
No. of segments
formed
No. of rays formed
4
6
B. How many different analoe are formed with 15 rave?