In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 0. Find the missing quantity. Round answers to three decimal places. 1 79. r = 10 meters, 0 = radian, A = ? 80. r= 6 feet, e = 2 radians, A = ? 1 81. 0 = radian, A = 2 square feet, r= ? 82. 0 = radian, A = 6 square centimeters, r = ? 83. r = 5 miles, A = 3 square miles, 0 = ? 84. r = 6 meters, A = 8 square meters, 0 = ? 85. r = 2 inches, 0 = 30°, A = ? 86. r = 3 meters, 0 = 120°, A = ?

In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 0. Find the missing quantity. Round answers to three decimal places. 1 79. r = 10 meters, 0 = radian, A = ? 80. r= 6 feet, e = 2 radians, A = ? 1 81. 0 = radian, A = 2 square feet, r= ? 82. 0 = radian, A = 6 square centimeters, r = ? 83. r = 5 miles, A = 3 square miles, 0 = ? 84. r = 6 meters, A = 8 square meters, 0 = ? 85. r = 2 inches, 0 = 30°, A = ? 86. r = 3 meters, 0 = 120°, A = ?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 49E: A lawn roller in the shape of a right circular cylinder has a radius of length 18 in. and a length...

See similar textbooks

Similar questions

Find the distance y to the nearest hundredth of an inch.
Determine the size of x to the nearest hundredth degree.
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.
A metal circular disk whose area is 143 cm2 is used as a knock out opening on an electrical service in a factory. Use your calculator value of to find the length of the radius of the disk to the nearest tenth of a cm.
A lawn roller in the shape of a right circular cylinder has a radius of length 18 in. and a length height of 4 ft. Find the area rolled during one complete revolution of the roller. Use the calculator value of , and give the answer to the nearest square foot.
What is an order of magnitude? Why are orders of magnitude useful? Give an example to explain.
Find the approximate area of the sector shown. Answer to the nearest hundredth of a square inch.