11.4--Inscribed Angles
A central angle has the same
measure as its intercepted arc.
50o
An inscribed angle is only
1/2 as big as its intercepted arc.
11.4--Inscribed Angles
Find x:
2)
1)
x
x
72o
75o
1
11.4--Inscribed Angles
Find x:
4)
3)
96o
68o
x
x
11.4--Inscribed Angles
Find x:
6)
5)
62o
23o
x
x
2
11.4--Inscribed Angles
Find x:
7)
x
4x
11.4--Inscribed Angles
3
11.4--Inscribed Angles
NEW
11.4--Inscribed Angles
8)
Find x and y:
x
y
82o
87o
4
11.4--Inscribed Angles
9)
Find x and y:
x+y
2x-y
87o
129o
11.4--Inscribed Angles
10)
Can this quadrilateral be inscribed in a circle?
95o
103o
67o
95o
5
11.4--Inscribed Angles
11)
Find x and y:
9y
24y
14x
4x
6
7
8
9
10
11
12