Answer:
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Step-by-step explanation:
14.5 is the answer to the equation
Answer: 4
<u>Step-by-step explanation:</u>
A =
r²θ
50 =
(5)²θ
100 = (5)²θ
100 = (25)θ
4 = θ
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Answer: 1570.80 cm²
<u>Step-by-step explanation:</u>
A =
r²θ
A =
(100)²
A = 500π
A = 1570.80
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Answer: 19.63 m²
<u>Step-by-step explanation:</u>
A =
r²θ
=
(5)²
= 
= 19.63
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Answer: 15°
<u>Step-by-step explanation:</u>

180 = 12x
15 = x
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Answer: A
<u>Step-by-step explanation:</u>
Quadrant I: 0° - 90°
Quadrant II: 90° - 180°
Quadrant III: 180° - 270°
Quadrant IV: 270° - 360°
255° is in Quadrant III