139fa10ex3

139fa10ex3 - Math 13900 Exam 3 A Fall 2010 Circle the...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Math 13900 Exam 3 A Fall 2010 1 Circle the LETTER of the correct answer for #1-3. (7 pts)1. Use the information given about the angles of triangles I, II, and III to determine which, if any, of the triangles are similar. I) 70 and 45 50 DD II) 64 10 and 45 50 III) 70 and 64 50 . I and II only . II and III only . I and III only . I, II and III . No similarity exists A B C D E (7 pts)2. Using a broken ruler that is missing the first several inches, a student sets the ruler against a line segment such that the endpoints of the segment are at 53 and 9 81 6 4 respectively. What is the length of the line segment? 1 2 1 4 9 16 1 8 3 16 .4 in ch e s .5 inche s . 4 inches s . 4 inches A B C D E (7 pts)3. One polyhedron has surface area 192 cm 2 and volume 128 cm 3 . Find the surface area and volume of the polyhedron’s image for a size change with scale factor 3 4 . 23 . SA:108 cm V: 32 cm . SA: 48 cm V: 32 cm V: 54 cm . SA: 36 cm V: 32 cm V: 54 cm A B C D E
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Math 13900 Exam 3 A Fall 2010 2 (8 pts)4. Find and name the single rigid motion that would take A to A . Briefly describe your process.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 01/21/2012.

Page1 / 5

139fa10ex3 - Math 13900 Exam 3 A Fall 2010 Circle the...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online