If AB || CD , find x
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Answer:
hope this will help u ......
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Answered by
1
Answer:
30°
Step-by-step explanation:
The shown angle are co-interior angles.
Hence their sum is 180°.
∴ 5x -20 +2x -10 = 180
⇒ 7x = 210°
⇒ x = 210°/7 = 30°
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