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On a nine-point pegboard a band is stretched over 4 pegs in a "figure of 8" arrangement so that one pair of opposite sides cross and the other pair are parallel.
How many different "figure of 8" arrangements can be made ?
Which of these arrangements has the area of the lower (green) portion nearest to double the area of the upper (yellow) portion ?
For printable sets of circle templates for use with this activity, please see Printable Resources page.
The coke machine in college takes 50 pence pieces. It also takes a certain foreign coin of traditional design...
The area of a regular pentagon looks about twice as a big as the pentangle star drawn within it. Is it?
Three points A, B and C lie in this order on a line, and P is any point in the plane. Use the Cosine Rule to prove the following statement.