To check if distances can be a triangle add the smaller two distances together. If the sum is larger (not equal to) than the longest distance then it is a possible side. For example, 2,2,4 or 1,2,5cannot be a triangle, 2,3, 4 can be a triangle because 2+3 is greater than 4.
Answer:
x∈{-7√2, 7√2}
Step-by-step explanation:

Answer:
0.25
Step-by-step explanation:
1 divided by 4 = 0.25
Answer:
C
Step-by-step explanation:
3:4
4:3
and the dots are 4:3