1 Express ? in terms of degrees, minutes, and seconds, to the nearest second.? = 2.5______________________________________________ 2. Express the angle as a decimal, to the nearest ten-thousandth of a degree.134°52'___________________° 3. Express the angle as a decimal, to the nearest ten-thousandth of a degree.211°32'46'' °4. Express the angle in terms of degrees, minutes, and seconds, to the nearest second.65.395°________________° 5. Express the angle in terms of degrees, minutes, and seconds, to the nearest second.300.7219°___________________________°6. If a circular arc of the given length s subtends the central angle ? on a circle, find the radius of the circle.s = 6 cm, ? = 4_____________________cm7. If a circular arc of the given length s subtends the central angle ? on a circle, find the radius of the circle. (Round your answer to two decimal places.) s = 9 km, ? = 70°8. Consider the following figure.(a) Find the length of the arc of the colored sector in the figure when r = 10 cm. (Round your answer to two decimal places.)____________cm (b) Find the area A of the sector when r = 10 cm. (Round your answer to two decimal places.)A = ____cm2 9.Consider the following.s = 13 cm, r = 5 cm(a) Find the radian and degree measures of the central angle ? subtended by the given arc of length s on a circle of radius r. (Round the degree measure of the central angle to two decimal places.) ? = rad ? = ° (b) Find the area of the sector determined by ?.______cm210. Consider the following.s = 2 ft, r = 20 in.(a) Find the radian and degree measures of the central angle ? subtended by the arc of length s on a circle of radius r. (Round the degree measure of the central angle to two decimal places.) ? = rad ? = ° (b) Find the area of the sector determined by ?._____in211. Consider the following.? = 1.9, d = 180 cm(a) Find the length of the arc that subtends the given central angle ? on a circle of diameter d. ______cm (b) Find the area of the sector determined by ?. _____cm21
Express
?
in terms of degrees, minutes, and seconds, to the nearest second.
?
=
2.5
°
'
''
2.
Express the angle as a decimal, to the nearest ten-thousandth of a degree.
134
°
52
'
°
3.
Express the angle as a decimal, to the nearest ten-thousandth of a degree.
211
°
32
'
46
''
°
4. Express the angle in terms of degrees, minutes, and seconds, to the nearest second.
65.395
°
°
'
''
5. Express the angle in terms of degrees, minutes, and seconds, to the nearest second.
300.7219
°
°
'
''
6. If a circular arc of the given length
s
subtends the central angle
?
on a circle, Fnd the
radius of the circle.
s
=
6
cm,
?
=
4
cm
7. If a circular arc of the given length
s
subtends the central angle
?
on a circle, Fnd the
radius of the circle. (Round your answer to two decimal places.)
s
=
9
km,
?
=
70
°
8. Consider the following Fgure.
Answer