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# Monthly Archives: May 2012

## Isosceles Triangle Inscribed In a Circle

is an isosceles triangle with a vertex at such that . is the circumcircle of triangle ; is the center of circle ; is a diameter of . 1. What kind of triangle is triangle ? Justify your answer. 2. (a) … Continue reading

Posted in Problem solving
Tagged circumcircle, geometry, grade 8, inscribed angle, inscribed triangle, isosceles triangle, right triangle
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## Dart Game

A game consists of throwing darts onto a target. The target is divided into four sectors as shown in the figure below Assume that the throws are independent from one another and that the players hit the target on every … Continue reading

## 4064465

You are given the following seven-digit number: . How many different seven-digit numbers can be made by rearranging the digits of ? Source: mathcontest.olemiss.edu 4/30/2012 SOLUTION Consider the set of seven digits . We have seven places to put the … Continue reading

Posted in Problem solving
Tagged combinatorics, counting, decimal positional number system, enumeration, grade 6, number sense
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