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Geometry G
Practice 5.1
1.
Name _____________________________
2.
110˚
a
a
80˚
b 120˚
b
a = _______ b = _______
a = _______ b = _______
3.
4.
150˚
c
80˚
a
78˚
a
b
130˚
e
c
b
72˚
50˚
a = _______ b = _______ c = _______
a = _______ b= _______
d
c = _______
d = _______ e = _______
5. What is the sum of the interior angles of an octagon?
6. What is the sum of the interior angles of a hexagon?
7. What is the measure of one interior angle of an equiangular decagon?
8. How many sides does a polygon have if the sum of the interior angles is 2340˚?
9.
Find the sum of the measures of the angles of the figure.
10.
What is the name of the polygon if the sum of the measures of its angles is 1080?
11.
The measure of each interior angle of a polygon is 140.
How many sides does the polygon have?
12.
Given: m F = 110
m G = 80
m H = 74
E
1
Find: m 1
F
H
13.
a.)
In what polygon is the measure of each interior angle equal to the measure of
each exterior angle?
b.)
In what polygon is the measure of each interior angle twice the measure of each
exterior angle?
G