zayybhaddie zayybhaddie

10-12-2021
Mathematics

contestada

Hey can u help me pls.

Hey can u help me pls class=

Respuesta :

priyanshusj priyanshusj

10-12-2021

Answer:

15 dots

Step-by-step explanation:

formula :: 1/2 x n ( n +1 )

fig 1 ; 1 /2 x 1 ( 1+1 ) = 1 dot

fig 2 :; 1/2 x 2 ( 2+1 ) = 3 dots

......

fig 5 :: 1/2 x 5 ( 5+1 ) = 15 dots

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