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When you add two triangular numbers why do they equal to a square number?
They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.
What is the ninth triangular number?
The First 10 Triangular Numbers ; 1st = 1 2nd = 3 3rd = 6 4th = 10 5th = 15 6th = 21 7th = 28 8th = 36 9th = 45 10th = 55
What is the odd triangular number of 24 9 10 36 15 2?
Only 9 and 15 are odd so the rest can be rejected. 9 is not a triangular number so only 15 is odd and a triangular number.
Is 8 triangular number?
No. The first few triangular numbers are 1, 3, 6, 10, 15, 21, 28, ...
What is the next triangular number after 10?
15 (1 + 2 + 3 + 4 + 5).
When you add two triangular numbers why do they equal to a square number?
They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.
What is the fourth triangular number?
The Fourth Triangular Number is 10.
What is the ninth triangular number?
The First 10 Triangular Numbers ; 1st = 1 2nd = 3 3rd = 6 4th = 10 5th = 15 6th = 21 7th = 28 8th = 36 9th = 45 10th = 55
Is the number 11 a triangular number?
No 10 is though
Why is 10 called a triangular number?
A triangular number or triangle number counts the objects that can form an equilateral triangle. 10 objects can be formed into an equilateral triangle.
Is 32 a triangular number?
32 is not a triangular number. The first few triangular numbers are 1, 3, 6, 10, 15, 21, 28, 36, 45, ...
What is the tenth triangular number?
The tenth triangular number is equal to (10 x 11) / 2 = 55.
How can sixth triangular number be 21?
Because it is ! The first 10 triangular numbers are... 1,3,6,10,15,21,28,36,45 & 55
Is 4 a triangular number?
no No it is not. The first 5 triangular numbers are: 1, 3, 6, 10, 15
What is the 4 triangular number?
It is 1+2+3+4 = 10.
Is 9 a triangular number?
yes it is!EDIT: No, it is not.
What is the odd triangular number of 24 9 10 36 15 2?
Only 9 and 15 are odd so the rest can be rejected. 9 is not a triangular number so only 15 is odd and a triangular number.
