3 years ago

Help Me please!!!!! Rn

Mathematics

2 answers:

Sati [7]3 years ago

8 0

Answer:

A + 120 + 40 = 180 (interior angles of a triangle equal to 180°)

A = 180-120-40

A = 20°

Sergio039 [100]3 years ago

4 0

Answer:

20 degrees

Step-by-step explanation:

The sum of inner angles of a triangle is 180 degrees

120 + 40 + x = 180

160 + x = 180

x = 20

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