6 — Rectangle and Square Areas

Rectangle and Square Areas

Solution & Explanation · ID: B11EA31A

Question

A rectangular poster is 18 inches long and 12 inches wide. Find its area.

Hint

A = l × w. Calculate 18 × 12.

Concept

The area of a rectangle is found by multiplying its length by its width using the formula A = length × width.

Show Answer

216 square inches

Show Solution
1

Identify the given measurements: length = 18 inches, width = 12 inches

2

Apply the rectangle area formula: A = length × width

3

Substitute the values: A = 18 inches × 12 inches

4

Calculate: A = 216 square inches

A rectangle drawn horizontally with the top edge labeled '18 in' and the left edge labeled '12 in'. Inside the rectangle is written 'Area = 216 sq in'. The rectangle is outlined in black with clear dimension labels.