2) Two angles in a triangle are 80 degrees and 70 degrees. Find the missing angle measure. Please show your math work step by step and don’t forget the unit.

1 answer
Question:

2) Two angles in a triangle are 80 degrees and 70 degrees. Find the missing angle measure. Please show your math work step by step and don’t forget the unit.

Answers

Answer:30°Step-by-step explanation:Let the measure of missing angle be x°[tex] \therefore \: x + 80 \degree + 70 \degree = 180 \degree \\ \therefore \: x + 150 \degree = 180 \degree \\ \therefore \: x = 180 \degree - 150 \degree \\ \therefore \: x = 30 \degree [/tex]

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