Question

how many dots are used to make a triangle step by step​

Answer 1

Answer:

The first triangle has just one dot.

The second triangle has another row with 2 extra dots, making 1 + 2 = 3.

The third triangle has another row with 3 extra dots, making 1 + 2 + 3 = 6.

The fourth has 1 + 2 + 3 + 4 = 10.

etc!

It's Anushka

Answer 2

∴

Three dots

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