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Alexxandr [17]
3 years ago
7

Help me plzzzz please pleaseee

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0

Answer:

x=40°

Step-by-step explanation:

angles in a straight line add upto 180°

50°+90°=140°

180°-140°=40°

x=140°

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