What's the area of a rectangle measuring \( 13 \mathrm{in} . \times 12 \mathrm{in}.?\nA) 156 sq. in.\nB) 50 sq . in.\nC) 144 sq . in.\nD) 25 sq . in.

To find the area of a rectangle, you multiply its length by its width. In this case, the length is \( 13 \mathrm{in} \) and the width is \( 12 \mathrm{in} \). So, the area will be \( 13 \times 12 = 156 \mathrm{sq. in} \). That means the correct answer is A) 156 sq. in. Now, rectangles are everywhere in the real world—from the screens we use to your favorite chocolate bar! Understanding areas allows you to estimate how much space you have for furniture or how many tiles fit in your bathroom. Fun fact: if you have an art project in mind using a rectangular canvas, calculating the area can help you plan how much paint to buy!