Question 10
A ”stair-step” figure is made of alternating black and white squares in each row. Rows 1 through 4 are shown. All rows begin and end with a white square. How many black squares are there in the 37th row?
Continue the simple staircase rule: each new row has one more black and one more white square than the previous row.
Continue the simple staircase rule: each new row has one more black and one more white square than the previous row.