Salutations fellow math students,

Today, for all you naughty kids that skipped (haha jk), we worked on five different circle problems that Mr. K had put up for the class to do. They were:

1) A chord that is 10cm long is 12 cm from the centre of a circle. Find the radius.

2) Line AB and line CD are two parallel chords in a circle. Line AB is 10cm and Line CD is 14 cm. Find the radius if the chords are 3cm apart.

3. a) O is the centre of each circle. Find the measures of the indicated angles. Justify your answer.

3. b)

4) Given:

-Line AC is tangent at B

- Angle 1 is congruent to angle 2

Prove: Line BD // Line FC

So yeah that's what happened in class. Homework was posted up on the blog by our very own math teacher, Mr. K. And I choose........................................................................................SANDY cheeks to be our scribe for tomorrow's class.

## December 13, 2006

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