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

Answer:

10 square

Step-by-step explanation:

stage 1 = 1 square

stage 2= 3 square

stage 3 = 6 square

add them all

stage 4 = 10

Answer 2

Answer:

10 squares

Step-by-step explanation:

Given :- Stage 1 = 1 square, Stage 2 = 3 squares, Stage 3 = 6 squares .

To Find :- Number of squares Robert uses for the 4th stage.

Solution :-

In the step pattern, Robert used 1 square for Stage 1, 3 squares for Stage 2 and 6 squares for Stage 3.

1, 3, 6, ?

This is a number series with a continuous difference.

1st term = 1

2nd term =  1+2  = 3

3rd term =  3+3  = 6

4th term =  6 + 4  = 10

Therefore, Robert will use 10 squares to build the fourth stage .

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