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Can someone help me with this, pleasee.

Can someone help me with this, pleasee.-example-1
User Latarsha
by
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1 Answer

3 votes

Answer:

120°

Explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the given angles from 180 for third angle

third angle = 180° - (20 + 40)° = 180° - 60° = 120°

User Marc Selman
by
6.7k points