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:
There's 3 questions which one do I answer?
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
You can look them up in the graphs.
f(2) means "where is the blue graph when x=2?", and you can see it is at y=0.
20 because of the whole is 40 and the shaded part is by 20 you just take half of 40 and you get 20
Answer:
because they are both in the circle
Step-by-step explanation:
