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In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 60. Find the missing quantity. Round answers to three decimal places. 79. r = 10 meters, 0 = radian, A = ? 80. r = 6 feet, 8 = 2 radians, A = ? 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 = ? %3D 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 60. Find the missing quantity. Round answers to three decimal places. 79. r = 10 meters, 0 = radian, A = ? 80. r = 6 feet, 8 = 2 radians, A = ? 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 = ? %3D 85. r = 2 inches, 0 = 30°, A = ? 86. r = 3 meters, 0 = 120°, A = ?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 36E
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In Problems 79–86, A denotes the area of the sector of a circle of radius r formed by the central angle u. Find the missing quantity. Round
answers to three decimal places.

In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 60. Find the missing quantity. Round answers to three decimal places. 79. r = 10 meters, 0 = radian, A = ? 80. r = 6 feet, 8 = 2 radians, A = ? 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 = ? %3D 85. r = 2 inches, 0 = 30°, A = ? 86. r = 3 meters, 0 = 120°, A = ?
Transcribed Image Text:In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 60. Find the missing quantity. Round answers to three decimal places. 79. r = 10 meters, 0 = radian, A = ? 80. r = 6 feet, 8 = 2 radians, A = ? 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 = ? %3D 85. r = 2 inches, 0 = 30°, A = ? 86. r = 3 meters, 0 = 120°, A = ?
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