Arc Length and Sector Area and Equations of Circles

What is the equation of the circle graphed in the image?

• (x + 3)² + (y - 1)² = 9
• (x - 3)² + (y + 1)² = 9
• (x - 3)² + (y + 1)² = 3
• (x + 3)² + (y - 1)² = 3

• Center (5, 2)

  radius = 4

• Center (-5, -2)

  radius = 16

• Center (5, 2)

  radius = 16

• Center (-5, -2)

  radius = 4

• Center (-3, -10)

  radius = 7

• Center (-3, -10)

  radius = 49

• Center (3, 10)

  radius = 7

• Center (3, 10)

  radius = 49

Find the length of each arc. Round your answers to the nearest tenth.

• 31.4 in

• 530.1 in

• 12.6 in

• 70.7 in

Find the length of each arc. Round your answers to the nearest tenth.

• 104.7 in

• 20.9 in

• 10.5 in

• 6.8 in

Find the length of each arc. Round your answers to the nearest tenth.

• 167.6 ft

• 59.7 ft

• 21488.5 ft

• 212.1 ft

Find the length of each arc. Round your answers to the nearest tenth.

• 42.4 in

• 9.4 in

• 15268.1 in

• 37.7 in

Find the length of each arc. Round your answers to the nearest tenth.

• 40.1 in

• 110.6 in

• 17.7 in

• 11.8 in

Find the length of each arc. Round your answers to the nearest tenth.

• 27.5 yd

• 44.0 yd

• 11.0 yd

• 4.2 yd