What are the ratios between side lengths?

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Presentation transcript:

What are the ratios between side lengths? Notes 6.5: 4/12 6 What are the ratios between side lengths? 2.5 3 4 9 12 24 10 Ratio: 1:3 Ratio: 1:4

Find the missing side lengths. Lines p, q, r and s are all parallel Find the missing side lengths. Lines p, q, r and s are all parallel. Leave as exact solutions.

Finding the sum of all interior angles of polygons. Number of Sides Total number of degrees 3 4 180 2*180 = 360

Finding the sum of all interior angles of polygons. Number of Sides Total number of degrees 5 6 3*180 = 540 4*180 = 720

n Finding the sum of all interior angles of polygons. Number of Sides Total number of degrees n

What pattern did you find? *Turn to the person next to you and discuss what patterns you see

Total Degrees in a polygon: (n-2) * 180 n=number of sides

If a polygon has 20 sides, what is the measure of the interior angles of the polygon? ( ) * ______ =