You may wish to use a calculator for Exercises 21-23. Use 7 = 3.14. 21. Chord AB is 18 cm long and the radius of the circle is 12 cm. a. Use trigonometry to find the measures of LAOX and LAOB, correct to the nearest integer. b. Find the area of the shaded region to the nearest square centimeter. Use V7 = 2.646. A. B 12

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.6: The Pythagorean Theorem
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You may wish to use a calculator for Exercises 21-23. Use 7 = 3.14.
21. Chord AB is 18 cm long and the radius of the circle is 12 cm.
a. Use trigonometry to find the measures of LAOX and
LAOB, correct to the nearest integer.
b. Find the area of the shaded region to the nearest square
centimeter. Use V7 = 2.646.
A.
B
12
Transcribed Image Text:You may wish to use a calculator for Exercises 21-23. Use 7 = 3.14. 21. Chord AB is 18 cm long and the radius of the circle is 12 cm. a. Use trigonometry to find the measures of LAOX and LAOB, correct to the nearest integer. b. Find the area of the shaded region to the nearest square centimeter. Use V7 = 2.646. A. B 12
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