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. 13452' 3. Express the angle as a decimal, to the nearest ten-thousandth of a degree. 21132'46'' 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 cm 7. 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 . cm2 10. 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 . in2 11. 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 . cm2