First the person with a flashlight and one of his friends cross the bridge. After that same person with a flashlight comes back and leads another friend to the other side. Finally he comes back again and leads the last of them.
Number of times that he will have to cross the bridge is 5 ( five ).
Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)
I think The last one in right
y |2| 6 |10 |14
x |6 |18 |30 |42
Answer:
C
B = 50°, a = 8.31, c = 11.7
Step-by-step explanation: