I need answer for 6 5.Find the area, to the nearest square unit, of the sector of a circle with the given radius andcentral angle for each problem below. Show your work. A = r²02πTC.r = 2.8 ft0 =C.5D.r = 20 m0 = 220°D.6.True or False? (Write out the COMPLETE word that you choose for each answer.)A.TTThe length of an arc with central angle in a unit circle is 4.4A.B.If the radius of a circle doubles, then the arc length (associated with a fixed central angle)doubles.B.C.For a circle with radius r = 2.2 cm and a central angle measuring 25°, the area of the circularsector is 60.5 cm².C.

To find arc length and area of sector in the following cases.

Answered: 6. True or False? (Write out the…

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 48E

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For Exercises 23 through 34, round the answers to 1 decimal place. 26. All dimensions in Figure 39-16 are in millimeters. a. Find the radius of this circle. r=c2+4h28h b. Find the length of the arc (I). I=0.0175r
When radii OA and OB are placed so that they coincide, a 240 sector of a circle is sealed to form a right circular cone. If the length of the radius of the circle is 6.4 cm, what is the lateral area of the cone that is formed? Use a calculator and round the answer to the nearest tenth of a square inch.
Use your calculator value of to find the approximate area of a circle with radius length 12.38 in.
Use your calculator to find, to two decimal places the lengths of the radius and the diameter of the circle with area 56.35 in2.
An exit ramp from one freeway to another freeway forms a 900 arc of a circle. The ramp is scheduled for resurfacing. As shown, its inside radius is 370 ft, and its outside radius is 380 ft. What is the area of the ramp to the nearest integer?
Refer to the following figure in answering Exercises 7 through 13. It may be helpful to sketch figures.When side x= side y. a. What is the value of 1 ? b. What is the value of the tangent function? c. What is the value of the cotangent function?
An airplane reaches an altitude of 3mi above the earth. Assuming a clear day and that a passenger has binoculars, how far can the passengers see? HINT: The radius of the earth is approximately 4000 mi.
Determine the arc length ABC if r=5.75in. and ABC=85.5 . Round the answer to 2 decimal places.
a. Given: AC=110andr=4.700 Compute arc length AC to 3 decimal places. b. Given: Arc length ABC=478.60 mm and r=105.00 mm. Compute 1 to 2 decimal places.
From the veranda of a beachfront hotel, Manny is searching the seascape through his binoculars. A ship suddenly appears on the horizon. If Manny is 80ft above the earth, how far is the ship out at sea? HINT: See Exercise 27 and note that 1mi=5280ft. An airplane reaches an altitude of 3mi above the earth. Assuming a clear day and that a passenger has binoculars, how far can the passengers see? HINT: The radius of the earth is approximately 4000 mi.
For Exercises 23 through 34, round the answers to 1 decimal place. 31. All dimensions are in inches. Find the shaded area of Figure 39-21. Area =(R2r2)2

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