1. What is the sum of the measures of the angles of a convex undecagon?
a 1 8000
b 1 980
C 2 700
d 1 6200
2. If the three angles of a quadrilaterals are 20.130 and 75", what is the measure of the
fourth angle?
a 1200
b 1.35
C 150
d 1100
3. How many sides does a polygon have if the sum of its interior angles is 1620"?
b. 9
d. 7
4. If each exterior angle measures 12 how many sides does this polygon have?
d 3
a. 12
b. 36
5. Find the sum of the measures of the interior angles of a regular polygon that has 16 sides
a. 2500
6.2 440
(2520
d. 2 7009​