Question

a painting measures 50 units by 40 units. what is its total area?
a. 2,500 square units
b. 2,000 square units
c. 900 square units
d. 1,000 square units

Explanation:

Step1: Determine the shape

Assume the painting is a rectangle (common for paintings).

Step2: Use the area formula

The area formula for a rectangle is \(A = length\times width\). Here, \(length = 50\) units and \(width=40\) units. So \(A=50\times40\).

Step3: Calculate the product

\(50\times40=(5\times10)\times(4\times10)=(5\times4)\times(10\times10)=20\times100 = 2000\) square units.

Answer:

B. 2,000 square units