Area of rectangles using arrays
Use the row-and-column structure of an array to find the area of a rectangle, and see that area is the product of its side lengths. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
This grid is made of 1 cm^2 unit squares, arranged in rows and columns. What is the area of the rectangle?
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Answer: 15
See one solved, step by step
A rectangle is 6 m long and 3 m wide. Using the row-and-column structure of an array, what is its area?
📘 Worked solution
1Think of 3 rows with 6 unit squares in each row.The rows and columns of an array show that a rectangle's area is length times width.
26 · 3 = 18 m2Multiply the two side lengths to get the total area.
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