 Taking Pictures of the Earth  Annie Fetter
Geometry, difficulty level 4. If you wanted to go out into space and take a picture of the earth, how far from the earth would you have to go to make sure that you got 1/4 of the equator in your picture? How about 1/3?
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 Tangents and Slopes  Leigh Nataro
Trig/Calc, difficulty level 3. Use the tangent ratio to show that the product of the slopes of two perpendicular lines is 1.
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 Triangles, Sines, and Areas  Leigh Nataro
Trig/Calc, difficulty level 3. Show that the area of any triangle is .5*b*c*sin(A).
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 The Unit Circle Triangle  Leigh Nataro
Trig/Calc, difficulty level 2. Find the area of the largest right triangle in the first quadrant of the unit circle.
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 Up, Up, and Away (Part II)  Leigh Nataro
Trig/Calc, difficulty level 3. Find the compass setting required to send a balloon on the shortest route from Honolulu, Hawaii, to Essex Junction, Vermont.
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 Up, Up, and Away (Part I)  Leigh Nataro
Trig/Calc, difficulty level 4. Can you determine the shortest distance a balloon could travel from Essex Junction, Vermont, to Honolulu, Hawaii?
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 Where in the World is Essex Junction?  Leigh Nataro
Trig/Calc, difficulty level 3. How far is Essex Junction, Vermont, from the equator?
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 Where Is Whitehall?  Leigh Nataro
Trig/Calc, difficulty level 3. Find the distance from Whitehall, Pennsylvania, to the equator.
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 World Series Snafu?  Annie Fetter
Geometry, difficulty level 2. Determine what's wrong with the "official" dimensions of "home plate" in baseball.
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 The World's Strongest Man Competition  Leigh Nataro
Trig/Calc, difficulty level 2. How much force is needed to push a piano up an incline?
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