GES 131, Spring 2005
In-Class 19 Solution Tickets for Play, Making Plots with Excel
1/2
In a school play, the tickets for students were $2 apiece and for non-students were $4.5 apiece. The total ticket revenue was $167.50 and a total of 65 tickets were so

GES 131, Spring 2004
In-Class 18 Shed Lifter
1/2
Samantha wants to put her 700lb tool shed up on blocks to keep water out of it during heavy rains using a steel lever. She plans to lift up first the right-hand side of the shed, put blocks beneath it, then

GES 131, Spring 2004
In-Class 17 Solution Toilet Float
The tank behind a toilet fills with water until it reaches a certain level. The water is shut off when a button on a valve is pushed downward with a force of Fvalve by the short end of a lever Llever

In-Class 16 Solution
Iceberg
GES 131, Spring 2004
An iceberg is floating in the Arctic Ocean. Assume that the iceberg is shaped like a giant ice cube, measuring
10ft on each side. What is the height of the part of iceberg that is above the water surface.

GES 131, Spring 2004
In-Class 14 See-Saws
1/3
1. We wish to balance a 75 lb weight on one end of a see-saw with a 120 lb weight placed on the other end of the see-saw. If the see-saw has a total length of 15 feet, how far from the 120-lb weight should the

GES 131, Spring 2004
In-Class #7 Solution More Circles Inside Circles
1/2
1. Calculate the vertical distance from the horizontal line to the center of the small circle. The small circle is tangent to the three circular arcs. The circular arcs all have the

GES 131, Spring 2004
In-Class #6 Solution Headboard
A woodworker is building a headboard for a king-size bed. She wants to make the headboard the shape of a circular segment, with a height of 22 inches and a width of 80 inches. How much will the headboard

In-Class #4 Solution
Learning Styles
GES 131, Spring 2005
1/2
You will often need to use several learning patterns to succeed. That includes both the ones
you use first, (scored high on), and the ones you avoid (scored low on). In this class, most
people

GES 131, Spring 2004
In_Class #2 Solution Problems involving Simultaneous Eqns.
Gothic Tracing (from Polya)
Determine the coordinates (x,y) in terms of "a"of the center of the circle inscribed into the arched window shown below.
1. Draw a vertical line fr

GES 131, Spring 2004
In-Class #1 Solution Problems involving Simultaneous Eqns.
1/2
1. Your client wants to build a 2000 square-foot greenhouse. In order to maximize sunlight, she wants the greenhouse to have a perimeter of 240 ft. If the greenhouse has a

GES 131, Spring 2004
HW #4 Solution Problems involving Geometry
1. Rope Hanging from Flagpole. A 20' tall flagpole has a 20' long rope attached at the top. The
rope is initially hanging straight down. A 10 year old girl grabs the end of the rope at the bo

GES 131, Spring 2004
HW #2 & #3 Solution Problems involving Simultaneous Eqns.
1/2
Write out a complete step-by-step solution for the HW #2 problem (which was to write an equation for the vertical distance between the center of the circle and the x-axis i

Quiz #2 Solution
Geometry Review
GES 131, Spring 2004
1. Draw a sketch showing the radius, angle and arc length of a circle. Write the equation
that relates the three parameters.
R
S=R
S
2. Draw a sketch showing the radius, angle and area of a circular se