(7-5) Arc Length

What is the circumference formula?

• $\pi r^2$

• $2\pi r$

• $\frac{\angle\cdot2\pi r}{360}$

• $\frac{\angle\cdot\pi r^2}{360}$

Tags

CCSS.7.G.B.4

What is the arc length formula?

• $\pi r^2$

• $2\pi r$

• $\frac{\angle\cdot2\pi r}{360}$

• $\frac{\angle\cdot\pi r^2}{360}$

Tags

CCSS.HSG.C.B.5

Which circle has a circumference of

 $22\pi$  ?

• 
• 
• 
• 

Tags

CCSS.7.G.B.4

What is the circumference of the following circle?

• $10\pi$

• $5\pi$

• $20\pi$

• $100\pi$

Tags

CCSS.7.G.B.4

A circle has an area of $25\pi$  . What is its' circumference?

•  $5\pi$  

•  $50\pi$  

•  $12.5\pi$  

•  $10\pi$  

•  $625\pi$  

Tags

CCSS.7.G.B.4

A circle has a circumference of $38\pi$ . What is its' radius?

Tags

CCSS.7.G.B.4

What is the arc length ?

• $5\pi$

• $25\pi$

• $10\pi$

• $90\pi$

Tags

CCSS.HSG.C.B.5

What is the central angle ?

Tags

CCSS.HSG.C.B.5

What is the radius ?

Tags

CCSS.HSG.C.B.5

What is the arc length?

• 12

• 31.5

• $126\pi$

• $21\pi$

Tags

CCSS.HSG.C.B.5