Answer:
1.line segment:15 rays:10
2.line segment:45 rays:18
3.line segment:66 rays:22
4.Line segment:36 rays:16
5.line segment:105 rays:28
Step-by-step explanation:
1. 6(6-1)/2 = 6(5)/2 = 30/2 =15 line segments
2(6-1) 2(5) =10 rays
2. 10(10-1)/2 = 10(9)/2 = 90/2 = 45 line segments
2(10-1) 2(9) =18 rays
3. 12(12-1)/2 = 12(11)/2 = 132/2 = 66 line segments
2(12-1) 2(11) =22 rays
4. 9(9-1)/2 = 9(8)/2 = 72/2 = 36 line segments
2(9-1) 2(8) = 16 rays
5. 15(15-1)/2 = 15(14)/2 = 210/2 =105 line segments
2(15-1) 2(14) = 28 rays
Here is the formula:
Line segments: n(n-1)/2
Rays: 2(n-1)
Step-by-step explanation::)
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Answers & Comments
Answer:
1.line segment:15 rays:10
2.line segment:45 rays:18
3.line segment:66 rays:22
4.Line segment:36 rays:16
5.line segment:105 rays:28
Step-by-step explanation:
1. 6(6-1)/2 = 6(5)/2 = 30/2 =15 line segments
2(6-1) 2(5) =10 rays
2. 10(10-1)/2 = 10(9)/2 = 90/2 = 45 line segments
2(10-1) 2(9) =18 rays
3. 12(12-1)/2 = 12(11)/2 = 132/2 = 66 line segments
2(12-1) 2(11) =22 rays
4. 9(9-1)/2 = 9(8)/2 = 72/2 = 36 line segments
2(9-1) 2(8) = 16 rays
5. 15(15-1)/2 = 15(14)/2 = 210/2 =105 line segments
2(15-1) 2(14) = 28 rays
Here is the formula:
Line segments: n(n-1)/2
Rays: 2(n-1)
Step-by-step explanation::)