Central and Inscribed Angles

Front

The vertex of an inscribed angle is _____________________.

Back

on the circle

Front

The vertex of a central angle is ___________________.

Back

on the center of the circle

Front

Find the measure of the marked arc if the central angle is 280 degrees.

Back

140 degrees

Front

Find the measure of the marked angle if the inscribed angle intercepts an arc of 130 degrees.

Back

65 degrees

Front

Find the measure of the marked arc if the inscribed angle measures 30 degrees.

Back

60 degrees

Front

The measure of an inscribed angle is ___________________ the measure of the intercepted arc.

Back

half of

Front

The measure of a central angle is ___________________ the measure of the intercepted arc.

Back

equal to

Front

In a circle, the sum of the measures of all angles around a point is ___________________.

Back

360 degrees

Front

If two inscribed angles intercept the same arc, then their measures are ___________________.

Back

equal

Front

The relationship between the inscribed angle and the arc it intercepts can be expressed as: Angle = ___________________.

Back

1/2 * Arc Measure