Math Nation - 7th Grade - Volume 2 of 2

Page 225

2.

On Mrs. Scarham’s farm, there is a silo with a height of 28 feet (ft.) and diameter of 12 ft. a.

Draw a sketch of the silo and label the dimensions.

12.5.4 Collaboration: Error Analysis 1.

Simone calculated the volume of a cylinder with a diameter of ͸ inches (in.) and height of ͳ͸ in. Her calculations are shown. 𝑑𝑑 = 6 in. (𝜋𝜋 ∙ 62 )(16) 36𝜋𝜋 ∙ 16 576𝜋𝜋 in²

b.

How many cubic feet of grain can this silo hold? Use 3.14 for 𝜋𝜋.

ℎ = 16 in.

Simone made errors in her work. Work with your partner to determine what errors were made. Write a note to Simone identifying her errors and explaining how she can correct them.

Unit 12: Surface Area and Volume

221


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.