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