3. (8pts) Find the area of the sector for the given angle and radius r. 0...
1) If the sector formed by a central angle of 30° has an area of π/3 square centimeters, find the radius of the circle. ? cm 2) Point P sweeps out central angle θ as it rotates on a circle of radius r as given below. Find the angular velocity of point P. θ = 40, t = 8 min ? rad/min 3) A mixing blade on a food processor extends out 2 inches from its center. If the blade...
5. A sector in a circle of radius r сm has area 6 cm² and the arc opposite @ has length a cm. Determine r and 0 (in radians) analytically and exactly. 7
Find the radius of a circle which has a sector of area 21 square inches determined by a central angle one half radian radian. (type an integer or decimal rounded to three decimal places as needed.) R- _____ inches
A circle has a radius of 8.5m. A sector of the circle has a central angle of 40°. Find the area of the sector. Do not round any intermediate computations. Round your answer to the nearest tenth. m Х 5 ?
Find the area of the sector of a circle with radius 6 feet formed by a central angle of 265°: square feet Round your answer to two decimal places. Get help: Worked Example1
Question 3 0/ 10 pts Find the area of the shaded sector JKL. Round to the nearest whole number. (Remember: sector = slice of pie) 10 m +
6. A sector of area in.2 is formed by a central angle of 45°. What is the radius of the circle? Write your answer as exact value.
radians. 4 3) For a circle of radius 5m, find the length of the are that subtends an angle of Also, find the area of the sector that is subtended by the same angle. Length of arc Area of sector
3. (a) Assume that a light ray incident from air on a spherical raindrop of radius R at angle 0 measured with respect to the surface normal undergoes one internal reflection before leaving the raindrop, as shown below. refraction Internal Incident reflection 8 ray R refraction Use the area above to show that if e0 and e 0t, then the total deflection angle & 8+88 of the light ray is (in radians): 8 2(0,-0)+- 20, The deflection angle & is...
25T Calculate the area of a sector that is cut out by an angle of 200° in the circle of radius 10. Leave your answer kact. Do not round. Show all work.