Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In a cyclic quadrilateral
∠
A
B
C
D
\angle A B C D
∠
A
B
C
D
, if
∠
A
=
110
∘
\angle A = 110^{\circ}
∠
A
=
11
0
∘
, what is the measure of
∠
C
\angle C
∠
C
? a)
90
∘
90^{\circ}
9
0
∘
b)
70
∘
70^{\circ}
7
0
∘
c)
110
∘
110^{\circ}
11
0
∘
d)
80
∘
80^{\circ}
8
0
∘
Browse the problem library