Circles and Similarity

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Angle in a semicircle is a

• Acute angle

• Right angle

• Obtuse angle

• None of the above

Solve for x

• 90

• 14.5

• 19.5

• 25.5

Solve for x

• 68^o

• 80^o

• 112^o

• 100^o

Find the circumference of the given circle.  Round to the nearest tenth.

• 62.8 mi

• 66.6 mi

• 125.6 mi

• 67.2 mi

Find the length of the given arc.  Round your answer to the nearest tenth.

• 44.5 in

• 529.6 in

• 209.4 in

• 21.2 in

Find the area of each sector.  Round your answer to the nearest tenth.

• 10602.9 in²

• 57.6 in²

• 3817035.1 in²

• 29.5 in²

What is the length of GH?

• 10

• 18

• 12

• 4

Find the measure of arc BDC

• 204^o

• 156^o

• 256^o

• ^336o

What is the measure of arc CAB

• 195^o

• 150^o

• 210^o

• 110^o