+0

# Help with counting

0
220
2

The 5*5 grid shown contains a collection of squares with sizes from 1*1 to 5*5. How many of these squares contain the black square?

Jun 2, 2021

### Best Answer

#1
+9380
+2

number of 1x1 squares that contain the black square  =  1

number of 2x2 squares that contain the black square  =  4

number of 3x3 squares that contain the black square  =  4

number of 4x4 squares that contain the black square  =  4

number of 5x5 squares that contain the black square  =  1

I counted a total of  14  squares that contain the black square.

Jun 2, 2021

### 2+0 Answers

#1
+9380
+2
Best Answer

number of 1x1 squares that contain the black square  =  1

number of 2x2 squares that contain the black square  =  4

number of 3x3 squares that contain the black square  =  4

number of 4x4 squares that contain the black square  =  4

number of 5x5 squares that contain the black square  =  1

I counted a total of  14  squares that contain the black square.

hectictar Jun 2, 2021
#2
+121095
+1

See  here  :   https://web2.0calc.com/questions/counting-question_35

Correct  answer    =  14

Jun 2, 2021