A cylinder has a circumference of [tex] 12 \pi [/tex] cm and a height that is half the radius. What is the total surface area of the cylinder?

Question

16-01-2017
Mathematics

contestada

A cylinder has a circumference of [tex] 12 \pi [/tex] cm and a height that is half the radius. What is the total surface area of the cylinder?

Respuesta :

Otras preguntas

A team t-shirt costs $3 per adult and $2 per child. On a certain day, the total number of adults (a) and children (c) who bought shirts was 100, and the total m

What is 3/11 to a percent?

Organelle Job that it performs in the cell The jellylike substance that fills the cell. Organelles float in this. The cell’s command center that directs a

Which central government agency was responsible to provide news on the war?

what aspect of fiction did realist writers use to advance the plot of their story?

Write the equation of the line that passes through the point (-3, -1) with a slope of -2/3.

What effect did the Korean War have on domestic politics in the United States? It undermined the popularity of Senator Joseph McCarthy and helped bring an end t

What Times What equals 54

How did Voltaire feel about censorship ?

HomertheGenius HomertheGenius · Answer 1 · 2017-01-23T22:24:55+01:00

HomertheGenius HomertheGenius

23-01-2017

Circumference: 12 π
2 r π = 12 π
r = 12 π : 2 π
r = 6 cm, h = 6 : 2 = 3 cm
The total surface area of the cylinder:
S A = 2 · r² π + 2 r h π =
= 2 · 6² π + 2 · 6 · 3 π = 72 π + 36 π = 108 π cm²
Answer: The total surface is 108 π cm².

Answer Link