Answer:
25 hours
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just don’t want to waste my time in case you don’t want me to :)
8
80^2=8^2+x^2
80-64=x^2
16=x^2
x=4
4+4=8
123
check the picture below.
PR = 7.9
By sine rule:
