64.9k views
12 votes
Help me with geometry please

Help me with geometry please-example-1
User Beatriz
by
7.0k points

1 Answer

1 vote

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 Chidiebere
by
7.2k points