One angle of an isosceles triangle has a measure of
39°. What are the possible measures of the other
angles?
One angle of an isosceles triangle has a measure of
2°. What are the possible measures of the other
angles?
Find.
Find:
a.
b.
Find.
Find.
RT
S
129° 130°
m(S)
M O
Q
N
64°
79°
m(NOQ)
49°
24°
83°
44°
Y
N
Z
X M
m(MYN)
m(MXZ)
61°
73°
49°
22°
D
E
A BC
m(C)
APPLICATIONS
POLYGONS IN NATURE As seen below, a starfish
fits the shape of a pentagon. What polygon shape do
you see in each of the other objects?
a. lemon
b. chili pepper
c. apple
CHEMISTRY Polygons are used to represent the
chemical structure of compounds. In the figure
below, what types of polygons are used to represent
methylprednisolone, the active ingredient in an anti-
inflammatory medication?
AUTOMOBILE JACK Refer to the figure below.
No matter how high the jack is raised, it always forms
two isosceles triangles. Explain why.
