## Freehand Geometry: Problem of the Week (December 14 – December 21, 2013)

Triangles in a triangle Triangle ABC is a right triangle with right angle at B. The legs are of length 15 and 8. Point D is on the hypotenuse of the triangle such...

Triangles in a triangle Triangle ABC is a right triangle with right angle at B. The legs are of length 15 and 8. Point D is on the hypotenuse of the triangle such...

Sum of tangents Given: Find the value of Comment your answer below. Note: I am the only one who can see your comments. You are only allowed to comment your answer once. Comments...

Square of a Sine What is the sum of sin21+sin22 +. . .+sin289 ? Comment your answer below. Note: I am the only one who can see your comments. You are only...

Prime Roots The x-intercepts of the equation y=x2-30x+k are prime numbers. What is/are the value(s) of K? Comment your answer below. Note: I am the only one who can see your comments....

Sum of Infinite Area A regular hexagon has a side 6 cm. A smaller hexagon was drawn by connecting the midpoints of the side of the larger hexagon. The process is repeated continuously....

Day of the Week Today is Saturday, December 07, 2013. What day of the week days from now will fall? Comment your answer below. Note: I am the only one who can...

In this topic we will learn how to create an equation of a circle with different given. Being familiar of the method will boost our speed and accuracy. Most of the problems we encounter...

This topic is really easy. This is just a matter of small common sense and your skill to substitute. Formula derivation: Consider points A(x1,y1) and B(x2,y2) is divided by point P(xp,yp) to a ratio...