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A circular sector has an area of 162 in.-. The radius of the circle is 9 in. What is the arc length of the sector? The arc length of the sector is in (Type an integer or a decimal.)
In the circle indicated below, AB = 24 cm; CD = 8 cm and O is the centre. Find: (calculate to 4 decimal places) a) The radius of the circle; b) The size of the angle AOB in degrees and radians; c) The arc length ACB; and d) The area of sector AOBC. (5) (7) (4) (4) 0. el C
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
2. What is the measure of a central angle in a circle that has a radius of 12.5 cm and an arc length of 5 cm? O 0.022 radian 286.6 radians O 3.125 radians O 0.4 radian
#7a & b 7. A regular pentagon is inscribed in a circle with radius 10 cm. A a) (4pt) Find the length of arc AC. Include units S=er So T25 S30 6 10am b) (4pt) Find the area of sector AOC. Include units. A=re 25 cm2 D 3 45 lutions per second. 12 f25 8. A Ferris 10 +sS l
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
A circle of radius r has area A = πr . If a random circle has a radius that is uniformly distributed on the interval (0, 2) what is the mean of the area of the circle?
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
3. (8pts) Find the area of the sector for the given angle and radius r. 0 = rad, r = 3 cm a. b. 0 = 60°, r = 2 m