Question

dot pattern of 5 represents which shape​

Answer 1

$\huge\mathfrak { Answer}$Solution: Threfore, first 7 numbers which can be arranged as triangles are 3, 6, 10,15, 21, 28, 36,

Study the pattern:

1 × 8 + 1 = 9

12 × 8 + 2 = 98

123 × 8 + 3 = 987

1234 × 8 + 4 = 9876

12345 × 8 + 5 = 98765