Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In cyclic quadrilateral
A
B
C
D
ABCD
A
B
C
D
,
∠
A
=
70
∘
,
∠
B
=
95
∘
\angle A=70^\circ,\;\angle B=95^\circ
∠
A
=
7
0
∘
,
∠
B
=
9
5
∘
and
∠
C
=
110
∘
\angle C=110^\circ
∠
C
=
11
0
∘
. Find
∠
D
\angle D
∠
D
. a)
95
∘
95^\circ
9
5
∘
b)
110
∘
110^\circ
11
0
∘
c)
85
∘
85^\circ
8
5
∘
d)
90
∘
90^\circ
9
0
∘
Browse the problem library