Arc measures

Match the following

• minor arc

• opposite angles that are congruent

• full circle

• semi-circle

• major arc

• vertical angles

What is the arc measure of RSP.

(a)  

Find the measure of arc WX.

• 189,181,190
• 189,181,106
• 190,181,106
• the angle measures are too big
• the angle measures are too small
• the angle measures have to be 180
• cannot be determined

Find the measure of arc RQ.

Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters.

find the measure of arc RSU ?

Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters.

Find the measure of arc DEF.

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

What is the arc of a circle?

• Portion of the circumference of a circle

• Center of the circle

• Distance from the center to a point

• Distance around the entire circle