Question Details

Detailed explanation and options for the selected question.

The perimeter of a rectangle is 40 cm, and its length is 12 cm. What is its width?

A. 8 cm

B. 6 cm

C. 5 cm

D. 4 cm

Explanation:

Perimeter = 2(length + width). Solving 2(12 + width) = 40 gives width = 8 cm. Other options are incorrect.

Related Topics

How to Calculate the Volume of a Sphere

Revision Notes

How to Calculate the Mode of a Data Set

Revision Notes

How to Solve Parametric Equations in 2D

Revision Notes

How to Use the Distance Formula (Coordinate Geometry)

Revision Notes

How to Calculate the Median of a Data Set

Revision Notes

How to Graph a Hyperbola from Standard Form

Revision Notes

How to Calculate the Mean (Average)

Revision Notes

How to Use Basic Identities for Hyperbolic Functions (sinh, cosh, tanh)

Revision Notes

How to Solve Word Problems Using Radians

Revision Notes

How to Perform Polynomial Long Division

Revision Notes