Regular Polyhedra - Elementary Maths - Exam, Exams of Elementary Mathematics

Main points of this past exam are: Regular Polyhedra, Construct, Envelope, Expected Value, Play, Game, Receive

Typology: Exams

2012/2013

Uploaded on 03/31/2013

parthavi
parthavi 🇮🇳

4.1

(14)

171 documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Prof. S. Brick Math for Elem Ed II; Exam 2 Math 202
Spring ’04 section 501
Print your name:
Show all of your work, and explain your reasoning.
1. How many types of regular polyhedra are there ? What type did we construct using an
envelope ? Name all the other regular polyhedra.
2. The game of eciD costs $1 to play. You roll two dice. If you a roll a 12 you receive $6,
if you a roll a 7, you receive $2. What is the expected value of eciD to you ? What is the
likely result if you play eciD 100 times ?
3. Can a straight line transversely intersect a simple closed curve exactly 309 times ?
pf3
pf4

Partial preview of the text

Download Regular Polyhedra - Elementary Maths - Exam and more Exams Elementary Mathematics in PDF only on Docsity!

Prof. S. Brick Math for Elem Ed II; Exam 2 Math 202

Spring ’04 section 501

Print your name:

Show all of your work, and explain your reasoning.

  1. How many types of regular polyhedra are there? What type did we construct using an envelope? Name all the other regular polyhedra.
  2. The game of eciD costs $1 to play. You roll two dice. If you a roll a 12 you receive $6, if you a roll a 7, you receive $2. What is the expected value of eciD to you? What is the likely result if you play eciD 100 times?
  3. Can a straight line transversely intersect a simple closed curve exactly 309 times?
  1. During an interval of twenty minutes, through how many degrees does the minute hand of a clock move? the hour hand?
  2. Find the measure of the interior angle of a regular 12-gon.
  3. Is it possible or impossible to draw a tetrahedron without retracing and/or lifting your pen? (Include the “dashed lines” in the tetrahedron.)
  1. A polyhedron is made up of 3 squares and 6 triangles. It has (3·4)+(6 2 ·3) edges. Find the number of vertices.
  2. Describe how to construct a M¨obius strip. Mention a mathematical property of significance that a M¨obius strip has.
  3. What is wrong with asking which is larger, the area of a circle or the length of its circumference?