63-70 - Area of a Circular Sector These exercises involve the formula for the area of a circular sector. *.63. Find the area of the sector shown in each figure. (a) (b) 0.5 rad 80° 10 64. Find the radius of each circle if the area of the sector is 12. (a) (b) 0.7 rad 150° 65. Find the area of a sector with central angle 2/3 rad in a circle of radius 10 m. 66. A sector of a circle has a central angle of 145°. Find the area of the sector if the radius of the circle is 6 ft. 67. The area of a sector of a circle with a central angle of 140° is 70 m. Find the radius of the circle. 68. The area of a sector of a circle with a central angle of S7/12 rad is 20 m. Find the radius of the circle. 69. A sector of a cirele of radius 80 mi has an area of 1600 mi². Find the central angle (in radians) of the sector. 70. The area of a cirele is 600 m². Find the area of a sector of this cirele that subtends a central angle of 3 rad.
63-70 - Area of a Circular Sector These exercises involve the formula for the area of a circular sector. *.63. Find the area of the sector shown in each figure. (a) (b) 0.5 rad 80° 10 64. Find the radius of each circle if the area of the sector is 12. (a) (b) 0.7 rad 150° 65. Find the area of a sector with central angle 2/3 rad in a circle of radius 10 m. 66. A sector of a circle has a central angle of 145°. Find the area of the sector if the radius of the circle is 6 ft. 67. The area of a sector of a circle with a central angle of 140° is 70 m. Find the radius of the circle. 68. The area of a sector of a circle with a central angle of S7/12 rad is 20 m. Find the radius of the circle. 69. A sector of a cirele of radius 80 mi has an area of 1600 mi². Find the central angle (in radians) of the sector. 70. The area of a cirele is 600 m². Find the area of a sector of this cirele that subtends a central angle of 3 rad.
63–70 ■ Area of a Circular Sector These exercises involve the formula for the area of a circular sector.
Transcribed Image Text:63-70 - Area of a Circular Sector These exercises involve the
formula for the area of a circular sector.
*.63. Find the area of the sector shown in each figure.
(a)
(b)
0.5 rad
80°
10
64. Find the radius of each circle if the area of the sector
is 12.
(a)
(b)
0.7 rad
150°
65. Find the area of a sector with central angle 2/3 rad in a
circle of radius 10 m.
66. A sector of a circle has a central angle of 145°. Find the area
of the sector if the radius of the circle is 6 ft.
67. The area of a sector of a circle with a central angle of 140° is
70 m. Find the radius of the circle.
68. The area of a sector of a circle with a central angle of
S7/12 rad is 20 m. Find the radius of the circle.
69. A sector of a cirele of radius 80 mi has an area of 1600 mi².
Find the central angle (in radians) of the sector.
70. The area of a cirele is 600 m². Find the area of a sector of
this cirele that subtends a central angle of 3 rad.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
Contemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage Learning
Linear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSON
Introduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge Press
College Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education