Answer:
β = 140 - α
we know that the "missing" angle is 40° since 40 + 140 = 180
we also know that the total sum of angles in a triangle is 180
so β = 180 - 40 - α
or β = 140 - α
Step-by-step explanation:
Answer:
he made the error in step 2
Step-by-step explanation:
93% you have to divide the $120 by $12 and then multiply what you get by $12
It's not reasonable to give him 4 gallons because that's way too much for a dog bowl.