Common 4A Test Prep 2

Common 4A Test Prep

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Find the arc length of the partial circle. Hint: C = 2 $$\pi$$ r   or  A =  $$\pi\ r^2$$  

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Find the arc length of the partial circle. Hint: C = 2  $$\pi$$ r    or  A =   $$\pi^{\ }r^2$$    

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Find the arc length of the partial circle.

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What is the value of u?

Hint: Two angles are called supplementary when their measures add to 180 degrees.

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What is the value of w?

Hint: Two angles are called complementary when their measures add to 90 degrees.

Multiple Choice

What is the relationship between ∠a and ∠b?

• Vertical angle

• Complementary angle

• Supplementary angle

• Alternate interior

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Find the value x=

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Find the area of a circle with a circumference of 18.84 units. Use 3.14 for π.