3 years ago

Can somebody help me with this?

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

6 0

Answer:

Step-by-step explanation:

<1+<2=180 (angle addition postulate)

<1=39 (given)

39+<2=180 (substitution property)

<2=180-39 (subtraction property)

<2=141 ( simplification)

C, or 141 degrees. Have a nice day!

lesya [120]3 years ago

4 0

Answer:

141 °

since they are supplementary angles and they always add to 180 °

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