• 160
• 175
• 12.5
• 25
• 80
• 87.5

What is the measure of the value of x in the diagram? ​ ​​ (a)  

• 102
• 204
• 129
• 51

Select all the central angles in circle G.

• angle FDA

• angle EGB

• angle EGF

• angle DAF

• angle CGB

What is x?

• 15

• 23

• 2

• 92

The measure of the ​ (a)   is equal to the measure of the central angle that intersects it.

• arc
• chord
• radius
• diameter

Solve for x.

• 7

• 10

• 4

• 6

Solve for x. Assume that lines which appear to be diameter are actual diameters.

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.