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olga nikolaevna [1]
3 years ago
9

Please help! (listing BRAINLIST and giving points) ​:D​

Mathematics
1 answer:
Luden [163]3 years ago
3 0

Answer:

40°

Step-by-step explanation:

because angle In an isosceles triangle base angles are same and angle in a triangle add up to 180° and angle on a straight line add up to 180°

hope this helps:)

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3 years ago
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Answer:

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