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18 votes
18 votes
Help me with geometry please

Help me with geometry please-example-1
User Profpatsch
by
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1 Answer

18 votes
18 votes

Answer:

80°

Explanation:

the triangles are symmetrical. therefore their angles will be equal.

interior angles of a triangle = 180°

180° - 30° - 70° = m<D

80° = m<D

User Ramunas
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2.6k points