Question

Robert builds a step pattern using squares. Here
are the stages he follows.
0
Stage 1
Stage 2
Stage 3
As you can see, he uses one square for Stage 1,
three squares for Stage 2 and six for Stage 3.
How many squares should he use for the fourth
stage?​

Answer 1

hope it's helpful to you

Answer 2

Answer:

10

Step-by-step explanation:

1 for 1 step

3(1+2) for 2 step

6(3+3)  for 3 step

10(6+4) for 4 step

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