Question

Natasha used 21 square tiles to make a rectangle. Which of the following could be the dimensions of her rectangle?

A: 21x21 C: 5x6

B: 7x3 D: 4x7

Answer 1

Answer: B. 7x3

This is because 7 times 3 = 21. The other answer choices do not multiply to 21.

Think of it like having 7 rows and 3 columns to give 21 squares overall to make this larger rectangle.

Answer 2

7×3

Explanation:

option b

i hope it is helpful for you