Arc Length

Arc Length

a fraction of the circumference

Multiple Choice

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Multiple Choice

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Multiple Choice

What is the formula for circumference of a circle given the radius?

• C = πr
• C = 2πr
• C = πd
• C = πr²

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Multiple Choice

Which proportion is correct?

• $\frac{x}{360}=\frac{6\pi}{16\pi}$

• $\frac{x}{16\pi}=\frac{6\pi}{360}$

Multiple Choice

Which proportion is the simplified version of:

 $\frac{x}{360}=\frac{6\pi}{16\pi}$  

•  $\frac{x}{360}=\frac{18.84}{50.24}$  

•  $\frac{x}{360}=\frac{6}{16}$  

•  $\frac{x}{360}=\frac{3}{8}$  

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