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19. Find the length of the cord of a circle of radius 20 cm subtended by a central angle of 150 degrees. D. 18.8 cm A. 29.7 cm B. 25.4 cm C. 38.6 cm

19. Find the length of the cord of a circle of radius 20 cm subtended by a central angle of 150 degrees. D. 18.8 cm A. 29.7 cm B. 25.4 cm C. 38.6 cm

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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19. Find the length of the cord of a circle of radius 20 cm subtended by a central angle of 150 degrees. D. 18.8 cm A. 29.7 cm В. 25.4 сm С. 38.6 ст 20. A tower standing on a level ground is due north of point A and due west of point B, a distance 150 ft from A. If the angles of elevation of the top of the tower as measured from A and B are 20 and 40 degrees, respectively, find the height of the tower. С. 80 ft 21. A tiger is now 50 of her leap ahead of an elephant, which is pursuing her. How many more leaps will the tiger take before it is overtaken if she takes 5 leaps while the elephant takes 4 leaps, but 2 of the elephant's leaps are equivalent to 3 of the tiger's leaps? С.420 A. 50 ft В. 60 ft D. 75 ft А. 350 В. 325 D. 250
Transcribed Image Text:19. Find the length of the cord of a circle of radius 20 cm subtended by a central angle of 150 degrees. D. 18.8 cm A. 29.7 cm В. 25.4 сm С. 38.6 ст 20. A tower standing on a level ground is due north of point A and due west of point B, a distance 150 ft from A. If the angles of elevation of the top of the tower as measured from A and B are 20 and 40 degrees, respectively, find the height of the tower. С. 80 ft 21. A tiger is now 50 of her leap ahead of an elephant, which is pursuing her. How many more leaps will the tiger take before it is overtaken if she takes 5 leaps while the elephant takes 4 leaps, but 2 of the elephant's leaps are equivalent to 3 of the tiger's leaps? С.420 A. 50 ft В. 60 ft D. 75 ft А. 350 В. 325 D. 250
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