This one is your answer hope this helps
Answer:
1
Step-by-step explanation:
An event that is certain to happen has a probability of 1.
Answer:
Step-by-step explanation:
since you are learning about similar triangles... i'd guess that some where of the picture.. there is some words that say, that the two smaller triangles are the same, similar , congruent.. so that we can just add up angles 1 + 2 or
13 + 13 = 26 °