Answer:
.......................................................
Answer:
Step-by-step explanation:
Step-by-step explanation:
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Answer:
B
Step-by-step explanation:
Isosceles have no parallel sides, there lines go inward into each other.
S ( s + 1)/ 2
so <span>The sum of the first 100 positive numbers
100(100 + 1) / 2
= 50(101)
= 5050</span>