Answer:
Step-by-step explanation:
If you can post the table then I'lI be happy to help
You haven't included a diagram, however, if it's an isosceles triangle 2 of its sides will be the same and 1 will be different
Answer choice B is the correct answer the rest don't make sense.
Summaation of a sequence
or see a smaller scale
from 1 to 10
notice
1+10=11
2+9=11
etc
5+6=11
10/2=5
there are 5 pairs
5*11=55
so
1 to 100
1+100=101
2+99=101
...
50+51=101
100/2=50
there ar 50 pairs
50 times 101=5050
the sum is 5050
2 7
Explanation
Explain to
Explanation
