9.Look at the number pattern given below
1
23
4 5 6
78910
a) write down the next two more lines of this pattern
b) How many numbers are there in the 12th line c, Find the sum of all the numbers in the first 12th lines.
Answers
Answered by
0
Answer:
a)11 12 13 14 15
16 17 18 19 20 21
b) 12 numbers
c) 67 68 69 70 71 72 73 74 75 76 77 78
Step-by-step explanation:
Answered by
0
Answer:
a)11 12 13 14 15
16 17 18 19 20 21
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