1. Find the measure of ∠AQC. 2. Find the length of arc AC to the nearest tenth. Explain how you found the answer.

3. Find the area of sector AQC to the nearest tenth. Explain how you found the answer.

4. If you double the radius of circle Q, what happens to the area of the sector? Justify your answer.

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step-by-step explanation:

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step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.