Circle - Tangents, Chords, Inscribed and Central Angles

Which shows a tangent line?

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• 
• 
• 

Using lines tangent to the circle, find the value of x.

• 57

• 137

• 47

• 257

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 11.7

• 10.8

• 13.0

• 14.2

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 16 in

• 8 in

• 11 in

• 6 in

Find the length of BC.

• 2
• 3
• 9
• 14

Assume that all the lines that appear tangent are tangent. Find the perimeter

• 54
• 36
• 48
• 42

The measure of arc GH is equal to

• 98

• 49

• 24.5

• 49π

The measure of arc XW is

• 45

  
  

  ^

• 90

• 135

• 67.5

What is the measure of ∠BDC?

• 64°

• 128°

• 32°

• 116°

What is the measure of angle DEF?

• 72
• 73
• 74
• 75