2nd Semester Tuesday Review (10-4, 6-3)

Find the area of the circle below.

• 
  100 cm

• 
  225 cm

• 
  9 cm

• 
  28.26 cm

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

The radius is....

• 
  a line that crosses through the center and touches each edge 

• 
  the center point of a circle 

• 
  a line segment whose endpoints are the center of a circle and a point on the circle

• 
  an element in science

Any chord that passes through the center of a circle.  

• 
  center

• chord

• diameter

• 
  radius

what is the symbol for pi

• 
  £

• 
  Π

• • •

• 
  π

An angle with a measure greater than 0⁰ and less than 90⁰ is ____,

An angle with a measure equal to 90⁰ is ____,

An angle with a measure greater than 90⁰ and less than 180⁰ is ____, and

An angle with a measure equal to 180⁰ is ____.

• acute,

  right,

  obtuse,

  straight

• 
  right,

  acute,

  obtuse,

  straight

• 
  acute,

  right,

  straight,

  obtuse

• straight,

  acute,

  right,

  obtuse

Two angles for which the sum of their measure is 90⁰

• 
  Complementary

• Supplementary

Two angles for which the sum of their measures is 180⁰

• 
  Complementary

• 
  Supplementary

Two angles that share a common side but do not overlap each other.

• 
  Vertical

• Adjacent

When two lines intersect, the angles that are not adjacent. Vertical angles are always equal in measure.

• Adjacent

• 
  Vertical