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2. Given: AB intersects CD at O so that Ll is a right 2 (Use the figure following Exercise 1.) Prove: L2 and 23 are complementary PROOF Statements Reasons 1. AB intersects CD at O 1. ? 2. LAOB is a straight 2. 2. ? so MLAOB = 180 3. m21+M2COB 3. ? = MLAOB 4. m21+ MLCOB= 180 5. Zl is a right angle 6. mz1= 90 7. 90 + M2COB = 180 4. ? 5. ? 6. ? 7. ? 8. M2COB = 90 8. ? 9. m/2+ m/3=MLCOB 10. m/2+ m23= 90 11. 42 and L3 are 9. ? 10. ? П. ? complementary

2. Given: AB intersects CD at O so that Ll is a right 2 (Use the figure following Exercise 1.) Prove: L2 and 23 are complementary PROOF Statements Reasons 1. AB intersects CD at O 1. ? 2. LAOB is a straight 2. 2. ? so MLAOB = 180 3. m21+M2COB 3. ? = MLAOB 4. m21+ MLCOB= 180 5. Zl is a right angle 6. mz1= 90 7. 90 + M2COB = 180 4. ? 5. ? 6. ? 7. ? 8. M2COB = 90 8. ? 9. m/2+ m/3=MLCOB 10. m/2+ m23= 90 11. 42 and L3 are 9. ? 10. ? П. ? complementary

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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2. Given: AB intersects CD at O so that Ll is a right (Use the figure following Exercise 1.) Prove: 22 and L3 are complementary PROOF Statements Reasons 1. AB intersects CD at O 2. LAOB is a straight 2. so MLAOB = 180 1. ? 2. ? 3. m/1+m/COB 3. ? = MLAOB 4. m21+MLCOB= 180 4. ? 5. ? 5. Zl is a right angle 6. mz1= 90 6. ? 7. ? 8. ? 9. ? 10. ? 7. 90 + M2COB= 180 8. M2COB = 90 9. m/2+ m/3=M2COB 10. m/2+ m23=90 11. 22 and 23 are I1. ? complementary
Transcribed Image Text:2. Given: AB intersects CD at O so that Ll is a right (Use the figure following Exercise 1.) Prove: 22 and L3 are complementary PROOF Statements Reasons 1. AB intersects CD at O 2. LAOB is a straight 2. so MLAOB = 180 1. ? 2. ? 3. m/1+m/COB 3. ? = MLAOB 4. m21+MLCOB= 180 4. ? 5. ? 5. Zl is a right angle 6. mz1= 90 6. ? 7. ? 8. ? 9. ? 10. ? 7. 90 + M2COB= 180 8. M2COB = 90 9. m/2+ m/3=M2COB 10. m/2+ m23=90 11. 22 and 23 are I1. ? complementary
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