2/13 Warm-Up

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

Tags

CCSS.HSG.C.B.5

Find the area of each sector. Leave pi in your answer.

• 24.5π in
• 171.5 in
• 171.5π in²
• 61,740π in²

Tags

CCSS.HSG.C.B.5

Find the area of each sector. Leave pi in your answer.

• 61,440π ft²
• 170. 7π ft²
• 21.3π ft²
• 7680π ft²

Tags

CCSS.HSG.C.B.5

Find the area of each sector.

• 4248 m²
• 7.9 m²
• 2827.4 m²
• 11.8 m²

What is the center and radius of this circle?
(x - 5)² + (y + 2)² = 49

• Center: (5, 2)
   radius = 7
• Center: (5, -2)
   radius = 49
• Center: (5, -2)
   radius = 7
• Center: (-5, -2)
   radius = 7

Tags

CCSS.HSG.GPE.A.1

• (x - 1)² + (y + 2)² = 2
• x² + (y - 2)² = 4
• x² + (y + 2)² = 4
• x² + (y + 2)² = 2

Tags

CCSS.HSG.GPE.A.1

• x² + y² = 3
• (x - 1)² + y² = 9
• x² + y² = 9
• x² + y² = 6

Tags

CCSS.HSG.GPE.A.1

The center of a circle is at (2, -3). Point A lies on the circle at (4, -5). What is the DIAMETER of the circle? Round to the nearest tenth.

• 2.8

• 5.6

• 5.7

• (3, -4)

The equation of a circle is (x-5)²+(y-2)²=9

• 9

• 3

• 6

• 18