Question

I need help FAST!! Just the answers!
A firecracker has dimensions as shown. Height is 14 cm, radius is 1 cm and slant height of the cone is 2 cm. Paper covers the entire surface area including the cone, the lateral area and the bottom circle but does not include the tail. What is the best approximate area of paper needed to wrap the firecracker?
Figure: http://learn.flvs.net/webdav/assessment_images/educator_math1/v9/08_11c_13_019.jpg

What is the total area of the interior faces of this composite solid?
Figure: http://learn.flvs.net/webdav/assessment_images/educator_math1/v9/08_11c_10_002.jpg

Answer 1

Also, A toy brick is shown below. We can think of it as one composite solid that is made up of cylinders and a rectangular prism. How many interior faces does it have?
Figure: http://learn.flvs.net/webdav/assessment_images/educator_math1/v10/08_11_08_01.gif

Which most accurately describes the shape of the interior faces of this composite solid?
Figure: http://learn.flvs.net/webdav/assessment_images/educator_math1/v9/08_11c_10_002.jpg

Answer 2

Diagrams do not come up when clicked.

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