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Cw 9

Number of Angles

How many angels do you see in this pentagon?

Sum of Angles

Given that the sum of a regular pentagon is 540, how can you figure out the measure of each angle?

Equation

What would be the equation to find the angles given the sum?

Equation

What would be the equation to find the angles given the sum?

Angles add to 540 no matter what point you move

Interior Angle Rule

To find the sum of each interior angle of any polygon, the equation will be

Solve for angles

If a polygons has n sides, what will the number of triangles be along with the sum for the following: n=3 n=4 n=5 n=6

Error Analysis

Describe and correct the error in finding the sum of the interior angle measures of a 13-gon:

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