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

Which word in the sentence, if any, should be followed by a colon? Countries in Africa include Liberia, Nigeria, Zimbabwe, Chad, and Ethiopia. A. There is no er

What can homeless people see,hear,feel,smell,taste

The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadratic equation in standard form f

how did the city of Curitiba address the problem of rapid population growth

Which phrase best describes the “cause” that Paine refers to

How do you solve for a missing component x ? 180:x::12:24

A orange weighs 198grams. A kiwi weighs 85 grams less than the orange. What is the total weight of the fruit?

• Founded a Roman Catholic religious order known as the Jesuits • Made a Catholic saint on March 12, 1622 by Pope Gregory XV • Fought against the Protestant Ref

Sam lived 4 miles from his school. If he rode his bike 2/7 of the distance and then walked the rest, how far did he ride his bike?

If x can be any number, how many solutions are there for the equation? y = 4x – 1 A. There are two solutions. B. There is no solution. C. There are many sol