Lecture on Circles; Inscribed Angle and Arc

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

Tags

CCSS.HSG.C.A.2

A chord is a segment that connects ___________

• the center to the endpoint

• to one point outside the circle

• a central angle

• 2 endpoints of a circle

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.

If minor arc AC = 96° , what is the measure of ∠ ABC?

• 53°

• 64°

• 72°

• 84°

Tags

CCSS.HSG.C.A.2

Find the measure of arc RT.

• 142

• 98

• 155

• 187

Tags

CCSS.HSG.C.A.2

Find the missing angles or arcs.

Tags

CCSS.HSG.C.A.2

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

Tags

CCSS.HSG.C.A.2

Which of the following would be a major arc in the diagram?

• BC

• BCD

• CD

• AB

Which is true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.