10-2 Central Angles & Arcs

Find x.

The 2 smaller angles are congruent. They are both 35°

Minor Arc, Major Arc or Semicircle?

Minor Arc, Major Arc or Semicircle?

Minor Arc, Major Arc or Semicircle?

QS is a diameter

Find the measure

QS is a diameter

Find the measure

Find the measure

Find the length of arc JK

The formula for this is

m is the measure of the angle.

So it will look like this

Find the length of arc JK

The formula for this is

Notice on this one that the 15cm is actually the diameter. You need the radius for this formula. So just cut the 15 in half. r = 7.5

Find the value of x.

Find the value of x.

Find the value of x.

Find the value of x.