joelalexjohn joelalexjohn

01-01-2018
Mathematics

contestada

what is the total surface area of a cylinder whose length is twice the radius

Respuesta :

tynollette tynollette

01-01-2018

lateral surface area of a cylinder: 2πrh, r is the radius, h is the height.
area of the top and bottom circle: πr²
when h=2r, the total surface area is:
2πr(2r)+πr²+πr²=6πr²
the answer is 6πr²

Answer Link

Otras preguntas

what are the six kingdoms of life

Which best describes how a recession develops as demand and production decreases?

Unlike amphibians, reptiles a. have lungs to oxygenate blood.B. use single-loop circulatory system.C. have a closed circulation system in which blood circulate

When using a thesaurus, it is beneficial to remember that similar words often have different implied meanings.

what group consists entirely of organic molecules?

According to evolutionary history and taxonomy, tigers resemble ____________ more closely than they resemble fish.

How to measure a diagonal of the earth?

Put the moon phases in order from first to last phase. A. B, C, A, D B. A, B, C, D C. D, B, C, A D. A, C, B, D

Which of these is an example of asexual reproduction? New grass plants grow from grass runners that spread across a lawn. The leaf of an African violet is place

What would you do if your best friend's daughter, Cindy, comes into the office where you work seeking birth control pills and advice? You know that her mother