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Below. What is m∠1?

m∠1 =

Below. What is m∠1? m∠1 =-example-1
User Donnior
by
4.8k points

1 Answer

3 votes

Answer:

m∠1 = 70°

Explanation:

Step 1

Sum of angles on a straight line = 180°

Hence:

180° - 101°

= 79°

Sum of interior angles in a triangle = 180°

Therefore,

m∠1 = 180° - (79 ° + 31°)

m∠1 = 180° - 110°

m∠1 = 70°

User Nick Beranek
by
5.3k points