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 \"\"