Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Area refers to the surface area of a plane, cone, sphere, cuboid, cube, and many more two or three dimensional objects. However, the term 'Area of Cross' section refers to the area of a circular ring, such as that enclosing the mouth of a wire, or that of a tunnel, etc. It is essentially the curved opening that is referred to as cross sectional area. 

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts