31)
\Observe the circle,
\Angle
are circle of the arcs are
.
Arcs
measures are
\ \
Find 
The pont
is center of the circle. \ \
Angle
measures 
The central angle of
is equal to the measures of an arc
.
Angle
measures
32)
\Observe the circle,
\Angle
are circle of the arcs are
.
Arcs
measures are
\ \
Find 
The pont
is center of the circle. \ \
Angle
measures 
The measures of an arc
is equal to the central angle of
.
Angle
measures
33)
\Observe the circle,
\
are tangent to circle 
Find
if 
Find 
is perpendicular to the radius 
is perpendicular to the radius 
Thus, 

The value of 
Find angle A if mDE is equal to 70 degrees and mBC is equal to 12 degrees
\34)
\Observe the circle,
\Arc of angles are
Consider the Angle
is 
The semi circle angle is 
Thus, 
Find angle 

The angle of 
35)
\Observe the circle,
\Arc of angles are
Consider the Angle
is 
The semi circle angle is 
Thus, 
Find angle 

The angle of 