3 years ago

I need help please and thank you

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

4 0

Answer:

20 degrees.

Step-by-step explanation:

The 3 angles of a triangle add up to 180 degrees.

Therefore the third angle in this triangle

= 180 - (120 + 40)

= 180 - 160

= 20 degrees.

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