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24. What is the measure of LDAS if DSY is a semicircle and LYAS = 110°? А. 20° В. 70° A С. 110° D. 150°

24. What is the measure of LDAS if DSY is a semicircle and LYAS = 110°? А. 20° В. 70° A С. 110° D. 150°

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter11: Introduction To Trigonometry
Section11.2: The Cosine Ratio And Applications
Problem 29E
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Refer to OA for items 24 to 27 bone p 24. What is the measure of ZDAS if DSY is a semicircle and ZYAS = 110°? А. 20° В. 70° %3D С. 110° D. 150° 25. Suppose the measures of all the arcs in OA are given. Which of the following concepts should be used to get the measure of DYS in OA? A. Arc Addition Postulate C. Sum of Central Arcs D. Sum of Inscribed Angles B. Intercepted Angle Postulate 26. What is the measure of the biggest arc in OA? A. between 0° and 180° B. exactly 180° .A C. between 180° and 360° D. exactly 360° 27. Which of the following is true about the measures of ZSAY and SY? A. The measure of ZSAY is equal to the measure of SY. B. The measure of ZSAY is less than the measure of SY. doeni 8 C. The measure of ZSAY is greater than the measure of SY. D. The sum of their measures is equal to the circumference of the circle. 28. . What is the relationship between the measure of an inscribed angle to the measure of its intercepted arc? A. The measure of the inscribed angle is one-half of the measure of its intercepted arc. B. The measure of the inscribed angle is one-third of the measure of its intercepted arc. C. The measure of the inscribed angle is one-fourth of the measure of its intercepted arc. D. The measure of the inscribed angle is one-fifth of the measure of its intercepted arc. Refer to OC for items 29 to 30 29. What is the measure of XWY? et 19W С. 120° D. 240° A. 60° В. 80° 120° Y 30. What is the measure of LXZY? А. 60° В. 80° С. 120° D. 240°
Transcribed Image Text:Refer to OA for items 24 to 27 bone p 24. What is the measure of ZDAS if DSY is a semicircle and ZYAS = 110°? А. 20° В. 70° %3D С. 110° D. 150° 25. Suppose the measures of all the arcs in OA are given. Which of the following concepts should be used to get the measure of DYS in OA? A. Arc Addition Postulate C. Sum of Central Arcs D. Sum of Inscribed Angles B. Intercepted Angle Postulate 26. What is the measure of the biggest arc in OA? A. between 0° and 180° B. exactly 180° .A C. between 180° and 360° D. exactly 360° 27. Which of the following is true about the measures of ZSAY and SY? A. The measure of ZSAY is equal to the measure of SY. B. The measure of ZSAY is less than the measure of SY. doeni 8 C. The measure of ZSAY is greater than the measure of SY. D. The sum of their measures is equal to the circumference of the circle. 28. . What is the relationship between the measure of an inscribed angle to the measure of its intercepted arc? A. The measure of the inscribed angle is one-half of the measure of its intercepted arc. B. The measure of the inscribed angle is one-third of the measure of its intercepted arc. C. The measure of the inscribed angle is one-fourth of the measure of its intercepted arc. D. The measure of the inscribed angle is one-fifth of the measure of its intercepted arc. Refer to OC for items 29 to 30 29. What is the measure of XWY? et 19W С. 120° D. 240° A. 60° В. 80° 120° Y 30. What is the measure of LXZY? А. 60° В. 80° С. 120° D. 240°
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