We Solve Problems
Problems
Categories
F.A.Q.
Sign In
Sign Up
Sign Up
Problem
#PRU-57006
Problems
Geometry
Plane geometry
Quadrilateral
Circumscribed quadrilaterals
13–16
4.0
Problem
Prove that a convex quadrilateral
I
C
E
F
can contain a circle if and only if
I
C
+
E
H
=
C
E
+
I
F
.
To see the solution
register
and get verified.