3 years ago

Angles a and b in both angles sets are ?

Mathematics

1 answer:

Alex17521 [72]3 years ago

8 0

Answer:

1) b = 60°

2) a = 90°, b = 90°

Step-by-step explanation:

1) Angles on a straight line add to 180° so 180 - 120 is 60°

2) The two lines are perpendicular (meet at right angles) so both angles are 90°

Hope this helps!

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