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23. In the figure, DE // BA. Is CD perpendicular to DE? Explain Explain your answer. 24. In the figura Born B 20 70° 43° O 40% 37° B E A 4

23. In the figure, DE // BA. Is CD perpendicular to DE? Explain Explain your answer. 24. In the figura Born B 20 70° 43° O 40% 37° B E A 4

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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180 -132 30 20 0 407 70 23. In the figure, DE / BA. Is CD perpendicular to DE? Explain Explain your answer. C 37° E 43° 24. In the figure, BOED and COAF are straight lines. D (a) Find 2CEB. E/23/ (b) Find 2 BAF. A 52 15° 38° Level 3 25. The pentagram in the figure is formed by five intersecting straight 9. lines. Find the sum of all the marked angles. SHOT ON REDMI 7 AI DUAL CAMERA 26 Refer to the figure, Find the sum of all the marked angles.
Transcribed Image Text:180 -132 30 20 0 407 70 23. In the figure, DE / BA. Is CD perpendicular to DE? Explain Explain your answer. C 37° E 43° 24. In the figure, BOED and COAF are straight lines. D (a) Find 2CEB. E/23/ (b) Find 2 BAF. A 52 15° 38° Level 3 25. The pentagram in the figure is formed by five intersecting straight 9. lines. Find the sum of all the marked angles. SHOT ON REDMI 7 AI DUAL CAMERA 26 Refer to the figure, Find the sum of all the marked angles.
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