Degrees in Triangle and Circle

What is the center of the circle circumscribed about this triangle?

• (6, 3)

• (9, 5)

• (6, 5)

• (7, 4.5)

Find a and b.

• a=74 degrees
  b=93 degrees

• a=93 degrees
  b=74 degrees

• a=87 degrees
  b=106 degrees

• a=106 degrees
  b=87 degrees

Find the value of d.

• 115

• 65

• 96

• 180

What relationship guarantees that line AD is perpendicular to segment BD when constructing the line tangent to circle B that passes through point A?

• A line that is tangent to a circle is perpendicular to a radius of the circle.

• Segment DB is a chord of circle C and a radius of circle B.

• Triangle ADB is inscribed in circle C has one angle inscribed in circle B.

• <ADB is inscribed in circle C and intercepts a semicircle.

Find y

• 110

• 35

• 90

• 145

Find b.

• 55

• 35

• 90

• 72.5

Find the length of LK

• 24

• 20.25

• 17.5

• 12.32

Which word describes the circle and the point of intersection of the 3 lines?

• inscribed and incenter

• inscribed and circumcenter

• circumscribed and incenter

• circumscribed and circumcenter

What do the three angles in a triangle add up to?

• 180 degrees

• 360 degrees

• 90 degrees

• 60 degrees

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

• BC

• BCD

• CD

• AB