Need help and to know how to do this one

Need Help And To Know How To Do This One class=

Answer :

Answer:

the answer is likely a bulldozer

Step-by-step explanation:

you must set up an equivelance of the given angles and solve for x

for the first one you have 5x+4x=180

9x=180

x=20

and for b 3x-1=77

3x=78

x=26