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# Inscribed Angles - Problem 1

###### Brian McCall

###### Brian McCall

**Univ. of Wisconsin**

J.D. Univ. of Wisconsin Law school

Brian was a geometry teacher through the Teach for America program and started the geometry program at his school

The measure of an **inscribed** angle is half of the measure of its intercepted arc. If given an intercepted arc given in terms of a variable (for example, part of the arc's measure is given with a variable x), set the measure of the inscribed angle equal to the expression of the entire arc divided by 2. It is then possible to solve for x. Also recall that the total measure of the arcs of a circle is 360°. Therefore, if the measure of an inscribed angle is unknown and its intercepted arc is not given, subtract the known arc measures from 360°. The inscribed angle of the unknown arc is half of this value.

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###### Brian McCall

B.S. in Chemical Engineering, University of Wisconsin

J.D. University of Wisconsin Law School (magna cum laude)

He doesn't beat around the bush. His straightforward teaching style is effective and his subtle midwestern accent is engaging. There's never a dull moment with him.

so my teacher can't explain this in 5 weeks but I learn this in less than 3 minutes”

its hard to focus when the teacher is really really really goodlooking”

i like how it took you 3 minutes and 8 seconds to accomplish what my teacher couldn't in 3 days”

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