139fa10ex2

139fa10ex2 - Math 13900 Exam 2 A Fall 2010 Circle the...

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Math 13900 Exam 2 A Fall 2010 1 Circle the LETTER of the correct answer for #!-3. (7 pts)1. What is the scale factor indicated by these two similar quadrilaterals? Figure A is the original and figure B is the image . 5 3 1 2 4 3 3 4 . . . . . None of the above A B C D E (7 pts)2. Give the sizes of the lettered angles in the following figure. .5 0 1 0 0 ; 5 0 .4 5 9 0 ; 4 5 0 1 0 0 ; 4 0 0 1 0 0 ; 4 0 . 100 100 ; 50 ; ; ; ; ; Ax y z Bx y z Cx y z Dx y z Ex y z == = === = = DD D DDD D D D (7 pts)3. Suppose the scale factor relating two similar polyhedra is 6. Determine the volume of the larger polyhedron if the smaller polyhedron has a volume of 15 cm 3 . 3 3 3 3 3 . 3375 cm . 3240 cm .540cm .1350cm .90cm A B C D E 6 15 12 8 10 A B 100º x z y

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Math 13900 Exam 2 A Fall 2010 2 (6 pts)4. On the grid show a tessellation pattern with the figure. Extend your pattern in all directions but do not fill the grid. The figure is composed of six square units that are supposed to match the squares on the grid. (9 pts)5. Draw an image of triangle ABC using P as your center and a scale factor of 1.5.
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This document was uploaded on 01/21/2012.

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139fa10ex2 - Math 13900 Exam 2 A Fall 2010 Circle the...

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