3 Week Review

What is the measure of arc ADC?

Name a arc with the measure 136 degrees.

• QR

• QT

• TR

• UR

Circle D has a arc with the length of 11.21, which is intercepted with a central angle of 107 degrees. The approximate radius of circle D is?

• 4

• 6

• 12

• 21

An dog runs 1/3 of the way around a circlular trail. The trail has a radius of 25 yards. To the nearest hundredth of a yard, how far did the dog run along the trail?

The circumference of a circle is 50.27. What is the approximate length of AB?

• 42.21

• 12.6

• 13.45

• 11.44

A slice is cut from a circular birthday cake with a diameter of 12 inches. The arc length, or curved edge of the cake, that was cut measures 3.5 inches. What is the measure of the central angle that was used when cutting the birthday cake to the nearest tenth?

• 16.71

• 33.42

• 45.12

• 21.54

What is the Area and Circumference of the circle?

• C= 1017.88

  A= 113.1

• C= 216.19

  A= 4071.5

• C= 113.1

  A= 1017.88

• C= 424.34

  A= 7565.4

What is the perimeter of the triangle?

In your own words, describe how you would find angle ABC from arc AC. How would you find arc AC when given angle ABC?

The measure of arc AB is 120 degrees. What are the meausres of angles AOB and ACB?

• AOB=60

  ACB=60

• AOB= 120

  ACB= 60

• AOB=120

  ACB=240

• AOB=60

  ACB=120