To determine the missing angle you simply subtract the angle you know from 180 because a flat line is 180 degrees. If it is a circle you subtract the number from 360. Hope this helps!
The Punnett Square is a diagram used to predict an outcome of what a specific cross or breeding experiment.
It is used by biologists to determine the probability of the offspring of having a genotype
Answer:
A
Step-by-step explanation:
Cos θ = adj/hyp = 5/sqrt(5^2 + (-12)^2) = 5/sqrt(25 + 144) = 5/sqrt(169) = 5/13