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

The expected number of empty bins as r and n go to infinity is a) 0 b) 1 c) [infinity] d) 1/2

Please help. I need all the help I can get with my recent questions.

Do you think Henry Grady should be honored around Atlanta? 1) Yes 2) No

Pure water at sea level weighs __ pounds per cubic food A. 32.2 B. 62.4 C. 39.4 D. 78.2

the power of the federal government are

How many carbon atoms are there in 3 molecules of CH3F?

vectors A and B have the same magnitude but point in different directions, Which vector has the larger x component and which vector has the largest y component.

if branch can be used to compute an absolute value of a number. a) Trueb) False

5/6 divdide-3/2 i need this for study

Una partícula se mueve con una velocidad constante de 679km/hr. Calcular en metros el espacio recorrido en 1/6 hora