Question

Need help ASAP ! !!!!

Answer 1

D. 60°

Explanation:

Sum of angles in a triangle = 180

`77\° +43\° +x\°=180\°\\\\120\°+x =180\°`

Collect like terms and simplify

`x\° =180\°-120\°\\\\x \°=60\°`

Answer 2

I think it’s “A” pretty sure