The formula to convert °F to °C is C = Convert 50°C to °F 10°F 20°F 122°F 132°F
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Answer:
As illustrated
Step-by-step explanation:
since ΔABC is a isosceles right triangle, m∠A = m∠C = 45°
and the rest angles are shown in the illustration, you should be able to figure it out by your self.
To do this you first have to find the measure of the angle that is inside that pie-shaped part of the circle. The measure around the circle is 360 which is the same as 2pi. Subtract 5pi/3 from 2pi and you get pi/3, which happens to be a 60 degree angle. What you are looking for is arc length (not arc measure which is measured in degrees, not inches, feet, etc.) The formula for that is this: 
, where beta is the arc measure in question and d is the diameter of the circle. If the central angle we found measured 60 degrees, then the arc it intercepts also measures 60 degrees, therefore s measures 300 (360-60). So now our formula looks like this: 
. When you do all that math, multiplying pi in, you get an arc length of 47.1, the first choice.