Ontario Mathematics Proficiency Practice Test

Question: 1 / 400

What is the area of a rectangle with a width of 4 cm and a length of 10 cm?

20 cm²

To find the area of a rectangle, you multiply the length by the width. In this case, the rectangle has a width of 4 cm and a length of 10 cm.

Calculating the area:

Area = Length × Width

Area = 10 cm × 4 cm

Area = 40 cm²

Therefore, the correct area of the rectangle is 40 cm². This means that the choice which states 40 cm² accurately represents the calculated area of the rectangle based on the provided dimensions.

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30 cm²

40 cm²

50 cm²

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