Complete the table...
Total Number of Sides (n)
Sum of Interior Angles
Each Interior Angle of a
Regular Polygon
Each Exterior Angle of
Regular Polgon
Total Exterior Degrees
180
360
120
90
360
I
90
360
510
T20
120
900
1286
1080
135
1260
140
1410
(n-2)180
(n-2) 180

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Which is f(5) for the function –2x2 + 2x - 3?