Mathematics.

Mathematics
Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5cm in diameter

  1. 👍 0
  2. 👎 0
  3. 👁 126
  1. as always, v = πr^2 h
    so plug in your numbers.

  2. volume is, the area of the cross-section, multiplied by the length

    v = [π * 3.5 cm)^2] * 8 cm

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths

    A triangle has sides 8cm and 5cm and an angle of 90 degrees between them. Calculate the smallest angle of the triangle.

    asked by bashiru on May 21, 2017
  2. maths

    An open rectangular box has internal dimensions 2m long, 20cm wide and 22.5cm deep. If the box is made of wood 2.5cm thick, calculate the volume of the wood in cm cube.

    asked by Aghedo sarah on June 17, 2017
  3. Mathematics

    Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5cm in diameter

    asked by Abundance on June 28, 2020
  4. math

    Calculate the volume of a steel bar which is 8cm long and 3.5cm in diameter

    asked by Margret on February 19, 2017
  5. Mathematics

    A rectangular room 8cm long by 5cm wide contains 120cm3 of air.calculate the hieght of the room

    asked by Abubakar Muhammad on June 29, 2020
  1. math

    a triangle has sides 8cm and 5cm and an angle of 90 between them. calculate the smallest angle of the triangle

    asked by Anonymous on April 24, 2016
  2. maths

    A cylindrical tin 8cm in diameter contains water to depth of 4cm.If a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin or floats exactly half 2.what is the New depth of water

    asked by Riliwan on November 22, 2016
  3. maths

    A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water

    asked by Riliwan on November 22, 2016
  4. physics

    A light rigid bar is suspended horizontally from two vertical wires, one of steel and one of brass. Each wire is 2.00m long. The diameter of the steel wire is 0.60mm and the length of the bar AB is 0.20m. When a mass of 10.0kg is

    asked by Edwin on March 27, 2010
  5. physics

    A strip of rubber originally 75 mm long is stretched until it is 100 mm long. a.What is the tensile strain b.Why has the answer no units? c.The greatest tensile stress which steel of a particular sort of a particular sort can

    asked by farid on December 27, 2013

You can view more similar questions or ask a new question.