volume of right circular cones total surface area is 550dm3. its radius of base is 5dm. find its total surface area

  1. 👍 0
  2. 👎 0
  3. 👁 83
asked by ton
  1. the base has area 25π dm^2
    so, the height can be found using
    πr^2h = 550
    25πh = 550
    h = 7
    So, the slant height is s = √(2.5^2+7^2) = 7.43
    That makes the lateral area 2πrs = 233.5
    Now just add the base to the lateral area...

    1. 👍 0
    2. 👎 0
    posted by oobleck

Respond to this Question

First Name

Your Response

Similar Questions

  1. calc - question #1

    A frustum of a right circular cone with height h, lower base radius R, and top radius r. -what's the volume using h, R, & r in the answer? Figure it as the difference of two right cones, 1/3 base area*height.

    asked by WOOF on June 5, 2007
  2. algebra

    Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whose height is 17 cm. am i right that V=(b1+b2)H Check the formula you used. The volume of a right circular cylinder is V=pi*(r^2)*h where r is the

    asked by cassii on September 27, 2006
  3. math

    A right circular cylinder of radius r and height h is inscribed in a right circular cone of radius R and height H, as shown on the right figure. Find the value of r (in terms of R and H) that maximizes the total surface area of

    asked by deel on August 11, 2012
  4. Math

    A metallic pipe is 0.7 cm thick .Inner radius of the pipe is 3.5 cm and length is 5dm .Find it's total surface area?

    asked by Raghu on June 9, 2016
  5. Maths

    (1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area

    asked by Kelvin on June 16, 2016
  6. Math

    An inverted right cone, half filled with water. I've only the volume of the entire cone to go from. So the volume of the cone = 1/3 the base area * height I've been told by a friend that the base area of a half scale cone = 1/4 of

    asked by Eef on July 15, 2014
  7. calc

    a cylindrical container with a circular base has a surface area of 64ft its volume as a function of its radius

    asked by natasha on August 26, 2011
  8. Math

    A cylinder cop has a circular base of radius 7cm & height of 10cm taking 22/7(a)calculate it curved surface(b)d area of it circular base

    asked by patience daniel on May 6, 2015

    Find the curved and total surface area of a right circular cone,of base radius 8cm and height 10cm

    asked by JOHN on March 20, 2017
  10. maths

    the ratio of total surface area to the curved surface area of a right circular cylinder is 3:2 find the volume if its total surface area is 14784 cm2

    asked by sukanya on December 6, 2015

More Similar Questions