3 years ago

I really need this answer to be right if anyone can help it would be great!!!

2 answers:

7 0

Hello!

All of the angles in a triangle add up to 180°. If we add up the angle measures we have now we get 140°. Now to find a we will subtract 140 from 180.

180-140=40

The measure of ∠A is 40°.

I hope this helps!

gulaghasi [49]3 years ago

5 0

50 degrees. 180-(100+40)=50

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