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 is the mass in grams of 1.5*10^-3 mol of sodium

What happens to a falling object when the force of air resistance equals the force of gravity? a. it shows a projectile motion b. it reaches terminal velocity

Which ordered pair is a solution for 4x - 3y = 6?

Which Group 14 element is classified as a metal? (1) carbon (3) silicon (2) germanium (4) tin

Two sets of quadratic expressions are shown below in various forms: Line 1: x2 − x − 6 (x + 2)(x − 3) (x + 0.5)2 − 6.25 Line 2: x2 − x − 2 (x + 1)(x − 2) (x − 0

1. Why does Santiago identify with and admire Joe DiMaggio? (Points : 3) Answer choices are below A. As a younger man santiago was also once an excellent baseba

In City, why does the author invent various citizens and residents of Verbonia?

What was the process of indirect control when managing a colony?

Which geographical feature divides Europe from Asia? North Sea Mediterranean Sea Ural Mountains Danube River

Factor completely 2x2 - 18. Prime 2(x2 - 9) 2(x + 3)(x - 3) 2(x + 3)(x + 3)